45637472 has 12 divisors (see below), whose sum is σ = 89848836. Its totient is φ = 22818720.

The previous prime is 45637393. The next prime is 45637481. The reversal of 45637472 is 27473654.

45637472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713054 + ... + 713117.

It is an arithmetic number, because the mean of its divisors is an integer number (7487403).

Almost surely, 2^45637472 is an apocalyptic number.

It is an amenable number.

45637472 is a deficient number, since it is larger than the sum of its proper divisors (44211364).

45637472 is a wasteful number, since it uses less digits than its factorization.

45637472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426181 (or 1426173 counting only the distinct ones).

The product of its digits is 141120, while the sum is 38.

The square root of 45637472 is about 6755.5511988290. The cubic root of 45637472 is about 357.3610316145.

The spelling of 45637472 in words is "forty-five million, six hundred thirty-seven thousand, four hundred seventy-two".