145525

145525 is a positive integer in the decimal numeral system. It follows 145524 and precedes 145526.

In mathematics, 145525 is an odd composite number. It is divisible by 5, since its last digit is 5, and can be expressed as 145525 = 5 × 29105. Further factoring gives 145525 = 25 × 5821, and 5821 is a prime number, making the prime factorization 5^2 × 5821. The sum of its digits is 22, which gives a digital root of 4. In hexadecimal notation, 145525 corresponds to 0x23875.

In astronomy, the number 145525 may be used as the permanent designation for a minor planet after its orbit is confirmed. Objects receive sequential numbers, and 145525 would identify a specific body within that system, though it may or may not have a widely used name associated with it.

Beyond pure mathematics and astronomy, six-digit numbers such as 145525 commonly appear as model numbers, catalog identifiers, or postal/inventory codes in various industries. While 145525 itself does not denote a single universal entity, it demonstrates how numeric identifiers function across different domains.