45044307 has 72 divisors (see below), whose sum is σ = 86311680. Its totient is φ = 22096800.

The previous prime is 45044303. The next prime is 45044309. The reversal of 45044307 is 70344054.

It is not a de Polignac number, because 45044307 - 2² = 45044303 is a prime.

It is a super-2 number, since 2×45044307² = 4057979186220498, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (45044303) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 144682 + ... + 144992.

Almost surely, 2^45044307 is an apocalyptic number.

45044307 is a deficient number, since it is larger than the sum of its proper divisors (41267373).

45044307 is a wasteful number, since it uses less digits than its factorization.

45044307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 45044307 is about 6711.5055687975. The cubic root of 45044307 is about 355.8060293950.

The spelling of 45044307 in words is "forty-five million, forty-four thousand, three hundred seven".