45685632 has 32 divisors (see below), whose sum is σ = 121353480. Its totient is φ = 15228416.

The previous prime is 45685597. The next prime is 45685669. The reversal of 45685632 is 23658654.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59103 + ... + 59870.

Almost surely, 2^45685632 is an apocalyptic number.

It is an amenable number.

45685632 is an abundant number, since it is smaller than the sum of its proper divisors (75667848).

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

45685632 is a wasteful number, since it uses less digits than its factorization.

45685632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118990 (or 118978 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 45685632 is about 6759.1147349339. The cubic root of 45685632 is about 357.4866919264.

The spelling of 45685632 in words is "forty-five million, six hundred eighty-five thousand, six hundred thirty-two".