45515632 has 20 divisors (see below), whose sum is σ = 88293456. Its totient is φ = 22730240.

The previous prime is 45515563. The next prime is 45515641. The reversal of 45515632 is 23651554.

It is a junction number, because it is equal to n+sod(n) for n = 45515594 and 45515603.

It is a congruent number.

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, 20832 + ... + 22912.

Almost surely, 2^45515632 is an apocalyptic number.

It is an amenable number.

45515632 is a deficient number, since it is larger than the sum of its proper divisors (42777824).

45515632 is a wasteful number, since it uses less digits than its factorization.

45515632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456 (or 3450 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 45515632 is about 6746.5274030422. The cubic root of 45515632 is about 357.0427283190.

The spelling of 45515632 in words is "forty-five million, five hundred fifteen thousand, six hundred thirty-two".