45744472 has 8 divisors (see below), whose sum is σ = 85770900. Its totient is φ = 22872232.

The previous prime is 45744443. The next prime is 45744481. The reversal of 45744472 is 27444754.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 2859022 + ... + 2859037.

Almost surely, 2^45744472 is an apocalyptic number.

It is an amenable number.

45744472 is a deficient number, since it is larger than the sum of its proper divisors (40026428).

45744472 is a wasteful number, since it uses less digits than its factorization.

45744472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5718065 (or 5718061 counting only the distinct ones).

The product of its digits is 125440, while the sum is 37.

The square root of 45744472 is about 6763.4659753709. The cubic root of 45744472 is about 357.6400989689.

The spelling of 45744472 in words is "forty-five million, seven hundred forty-four thousand, four hundred seventy-two".