45637144 has 16 divisors (see below), whose sum is σ = 97794000. Its totient is φ = 19558752.

The previous prime is 45637139. The next prime is 45637171. The reversal of 45637144 is 44173654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407419 + ... + 407530.

It is an arithmetic number, because the mean of its divisors is an integer number (6112125).

Almost surely, 2^45637144 is an apocalyptic number.

It is an amenable number.

45637144 is an abundant number, since it is smaller than the sum of its proper divisors (52156856).

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

45637144 is a wasteful number, since it uses less digits than its factorization.

45637144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814962 (or 814958 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 45637144 is about 6755.5269224539. The cubic root of 45637144 is about 357.3601754854.

The spelling of 45637144 in words is "forty-five million, six hundred thirty-seven thousand, one hundred forty-four".