45644460 has 48 divisors (see below), whose sum is σ = 134534400. Its totient is φ = 11530944.

The previous prime is 45644449. The next prime is 45644483. The reversal of 45644460 is 6444654.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18880 + ... + 21159.

It is an arithmetic number, because the mean of its divisors is an integer number (2802800).

Almost surely, 2^45644460 is an apocalyptic number.

It is an amenable number.

45644460 is an abundant number, since it is smaller than the sum of its proper divisors (88889940).

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

45644460 is a wasteful number, since it uses less digits than its factorization.

45644460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40070 (or 40068 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 45644460 is about 6756.0683833129. The cubic root of 45644460 is about 357.3792703653.

The spelling of 45644460 in words is "forty-five million, six hundred forty-four thousand, four hundred sixty".