45165632 has 14 divisors (see below), whose sum is σ = 89625678. Its totient is φ = 22582784.

The previous prime is 45165619. The next prime is 45165649. The reversal of 45165632 is 23656154.

It can be written as a sum of positive squares in only one way, i.e., 35331136 + 9834496 = 5944^2 + 3136^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352793 + ... + 352920.

Almost surely, 2^45165632 is an apocalyptic number.

It is an amenable number.

45165632 is a deficient number, since it is larger than the sum of its proper divisors (44460046).

45165632 is an equidigital number, since it uses as much as digits as its factorization.

45165632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705725 (or 705715 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 45165632 is about 6720.5380736962. The cubic root of 45165632 is about 356.1251926815.

The spelling of 45165632 in words is "forty-five million, one hundred sixty-five thousand, six hundred thirty-two".