153128

153128 is a natural number that follows 153127 and precedes 153129. It is an even, composite integer with a straightforward prime factorization.

Its prime factorization is 2^3 × 19141, where 19141 is a prime number. Consequently, the positive divisors of 153128 are 1, 2, 4, 8, 19141, 38282, 76564, and 153128. The number is divisible by 8 but not by 16, and it is not a perfect square (since 391^2 = 152881 and 392^2 = 153664).

In base 10, the digits sum to 20, giving a digital root of 2. The number is congruent to 2 modulo 3, and it ends with digit 8, so it is congruent to 3 modulo 5. The fact that 153128 = 8 × 19141 shows it is composed of a small power of two and a relatively large prime, a form that arises in various number-theoretic constructions.

Summary: 153128 is an even composite number whose factorization is 2^3 × 19141, with 19141 prime. It has eight divisors and is not a square, making it a typical example of a number with a single large prime factor multiplied by a power of two.