145155

145,155 is a natural number in the decimal sequence, lying between 145,154 and 145,156. In mathematics, it is an odd composite number with a simple prime factorization: 145,155 = 3 × 5 × 9,677, where 9,677 is prime. Because it factors into three distinct primes, it is square-free and has eight positive divisors: 1, 3, 5, 9,677, 15, 29,031, 48,385, and 145,155.

The digit sum of 145,155 is 1 + 4 + 5 + 1 + 5 + 5 = 21, so it is divisible by 3 but not by 9. It is also divisible by 5 since it ends in 5, and thus divisible by 15 (3 × 5). The modular properties include being congruent to 3 modulo 9 and congruent to 3 modulo 8.

In base representations, 145,155 can be expressed as:

- hexadecimal: 0x23703

- octal: 0433403

- binary: 00100011011100000011

Aside from its arithmetic characteristics, 145,155 does not correspond to a widely recognized constant, theorem, or named object in standard mathematical reference. As a numeric label, it may appear in various catalogs or datasets, but this article does not identify a specific real-world item associated with this exact number.