45637444 has 12 divisors (see below), whose sum is σ = 81219600. Its totient is φ = 22431848.

The previous prime is 45637393. The next prime is 45637481. The reversal of 45637444 is 44473654.

45637444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 96454 + ... + 96925.

It is an arithmetic number, because the mean of its divisors is an integer number (6768300).

Almost surely, 2^45637444 is an apocalyptic number.

It is an amenable number.

45637444 is a deficient number, since it is larger than the sum of its proper divisors (35582156).

45637444 is a wasteful number, since it uses less digits than its factorization.

45637444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193442 (or 193440 counting only the distinct ones).

The product of its digits is 161280, while the sum is 37.

The square root of 45637444 is about 6755.5491264589. The cubic root of 45637444 is about 357.3609585305.

The spelling of 45637444 in words is "forty-five million, six hundred thirty-seven thousand, four hundred forty-four".