45525 has 12 divisors (see below), whose sum is σ = 75392. Its totient is φ = 24240.

The previous prime is 45523. The next prime is 45533. The reversal of 45525 is 52554.

45525 = 2² + 3² + ... + 51².

It is not a de Polignac number, because 45525 - 2¹ = 45523 is a prime.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229 + ... + 378.

2⁴⁵⁵²⁵ is an apocalyptic number.

It is an amenable number.

45525 is a deficient number, since it is larger than the sum of its proper divisors (29867).

45525 is a wasteful number, since it uses less digits than its factorization.

45525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 615 counting only the distinct ones).

The product of its digits is 1000, while the sum is 21.

The square root of 45525 is about 213.3658829335. The cubic root of 45525 is about 35.7067222079.

The spelling of 45525 in words is "forty-five thousand, five hundred twenty-five".