45424925 has 48 divisors (see below), whose sum is σ = 71162112. Its totient is φ = 27993600.

The previous prime is 45424919. The next prime is 45424927. The reversal of 45424925 is 52942454.

It is not a de Polignac number, because 45424925 - 2⁴ = 45424909 is a prime.

It is a super-2 number, since 2×45424925² = 4126847622511250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45424927) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93032 + ... + 93518.

It is an arithmetic number, because the mean of its divisors is an integer number (1482544).

Almost surely, 2^45424925 is an apocalyptic number.

It is an amenable number.

45424925 is a deficient number, since it is larger than the sum of its proper divisors (25737187).

45424925 is a wasteful number, since it uses less digits than its factorization.

45424925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 553 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 45424925 is about 6739.8015549421. The cubic root of 45424925 is about 356.8053899869.

The spelling of 45424925 in words is "forty-five million, four hundred twenty-four thousand, nine hundred twenty-five".