45612544 has 20 divisors (see below), whose sum is σ = 91137024. Its totient is φ = 22806016.

The previous prime is 45612533. The next prime is 45612569. The reversal of 45612544 is 44521654.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44032 + ... + 45055.

Almost surely, 2^45612544 is an apocalyptic number.

It is an amenable number.

45612544 is a deficient number, since it is larger than the sum of its proper divisors (45524480).

45612544 is an frugal number, since it uses more digits than its factorization.

45612544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89105 (or 89089 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 45612544 is about 6753.7059456272. The cubic root of 45612544 is about 357.2959541109.

The spelling of 45612544 in words is "forty-five million, six hundred twelve thousand, five hundred forty-four".