45657620 has 24 divisors (see below), whose sum is σ = 96163200. Its totient is φ = 18209312.

The previous prime is 45657613. The next prime is 45657659. The reversal of 45657620 is 2675654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4001 + ... + 10359.

It is an arithmetic number, because the mean of its divisors is an integer number (4006800).

Almost surely, 2^45657620 is an apocalyptic number.

It is an amenable number.

45657620 is an abundant number, since it is smaller than the sum of its proper divisors (50505580).

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

45657620 is a wasteful number, since it uses less digits than its factorization.

45657620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6727 (or 6725 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 45657620 is about 6757.0422523468. The cubic root of 45657620 is about 357.4136130455.

The spelling of 45657620 in words is "forty-five million, six hundred fifty-seven thousand, six hundred twenty".