45644932 has 12 divisors (see below), whose sum is σ = 84577500. Its totient is φ = 21479936.

The previous prime is 45644923. The next prime is 45644947. The reversal of 45644932 is 23944654.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20484676 + 25160256 = 4526^2 + 5016^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45644891 and 45644900.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335557 + ... + 335692.

It is an arithmetic number, because the mean of its divisors is an integer number (7048125).

Almost surely, 2^45644932 is an apocalyptic number.

It is an amenable number.

45644932 is a deficient number, since it is larger than the sum of its proper divisors (38932568).

45644932 is a wasteful number, since it uses less digits than its factorization.

45644932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671270 (or 671268 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 45644932 is about 6756.1033147814. The cubic root of 45644932 is about 357.3805022230.

The spelling of 45644932 in words is "forty-five million, six hundred forty-four thousand, nine hundred thirty-two".