45909297 has 24 divisors (see below), whose sum is σ = 76094720. Its totient is φ = 26127360.

The previous prime is 45909293. The next prime is 45909307. The reversal of 45909297 is 79290954.

It is not a de Polignac number, because 45909297 - 2² = 45909293 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45909293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15729 + ... + 18417.

Almost surely, 2^45909297 is an apocalyptic number.

It is an amenable number.

45909297 is a deficient number, since it is larger than the sum of its proper divisors (30185423).

45909297 is a wasteful number, since it uses less digits than its factorization.

45909297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973 (or 2970 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 45909297 is about 6775.6399697741. The cubic root of 45909297 is about 358.0691298313.

The spelling of 45909297 in words is "forty-five million, nine hundred nine thousand, two hundred ninety-seven".