45664628 has 12 divisors (see below), whose sum is σ = 80543232. Its totient is φ = 22652280.

The previous prime is 45664627. The next prime is 45664631. The reversal of 45664628 is 82646654.

45664628 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 not an unprimeable number, because it can be changed into a prime (45664621) by changing a digit.

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, 44438 + ... + 45453.

It is an arithmetic number, because the mean of its divisors is an integer number (6711936).

Almost surely, 2^45664628 is an apocalyptic number.

It is an amenable number.

45664628 is a deficient number, since it is larger than the sum of its proper divisors (34878604).

45664628 is a wasteful number, since it uses less digits than its factorization.

45664628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90022 (or 90020 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The square root of 45664628 is about 6757.5608025381. The cubic root of 45664628 is about 357.4318986129.

The spelling of 45664628 in words is "forty-five million, six hundred sixty-four thousand, six hundred twenty-eight".