45009524 has 24 divisors (see below), whose sum is σ = 90175680. Its totient is φ = 19256256.

The previous prime is 45009509. The next prime is 45009553. The reversal of 45009524 is 42590054.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21659 + ... + 23645.

It is an arithmetic number, because the mean of its divisors is an integer number (3757320).

Almost surely, 2^45009524 is an apocalyptic number.

It is an amenable number.

45009524 is an abundant number, since it is smaller than the sum of its proper divisors (45166156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45009524 is a wasteful number, since it uses less digits than its factorization.

45009524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807 (or 2805 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 45009524 is about 6708.9137719902. The cubic root of 45009524 is about 355.7144219025.

Adding to 45009524 its reverse (42590054), we get a palindrome (87599578).

The spelling of 45009524 in words is "forty-five million, nine thousand, five hundred twenty-four".