45640916 has 12 divisors (see below), whose sum is σ = 80605140. Its totient is φ = 22610880.

The previous prime is 45640909. The next prime is 45640927. The reversal of 45640916 is 61904654.

45640916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 22562500 + 23078416 = 4750^2 + 4804^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 51905 + ... + 52776.

It is an arithmetic number, because the mean of its divisors is an integer number (6717095).

Almost surely, 2^45640916 is an apocalyptic number.

It is an amenable number.

45640916 is a deficient number, since it is larger than the sum of its proper divisors (34964224).

45640916 is a wasteful number, since it uses less digits than its factorization.

45640916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104794 (or 104792 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 45640916 is about 6755.8060955004. The cubic root of 45640916 is about 357.3700207221.

The spelling of 45640916 in words is "forty-five million, six hundred forty thousand, nine hundred sixteen".