45515644 has 12 divisors (see below), whose sum is σ = 79808344. Its totient is φ = 22713264.

The previous prime is 45515641. The next prime is 45515651. The reversal of 45515644 is 44651554.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45515641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8787 + ... + 12970.

Almost surely, 2^45515644 is an apocalyptic number.

It is an amenable number.

45515644 is a deficient number, since it is larger than the sum of its proper divisors (34292700).

45515644 is a wasteful number, since it uses less digits than its factorization.

45515644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22284 (or 22282 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The square root of 45515644 is about 6746.5282923886. The cubic root of 45515644 is about 357.0427596966.

The spelling of 45515644 in words is "forty-five million, five hundred fifteen thousand, six hundred forty-four".