45315297 has 6 divisors (see below), whose sum is σ = 65455442. Its totient is φ = 30210192.

The previous prime is 45315293. The next prime is 45315299. The reversal of 45315297 is 79251354.

It can be written as a sum of positive squares in only one way, i.e., 37564641 + 7750656 = 6129^2 + 2784^2 .

It is not a de Polignac number, because 45315297 - 2² = 45315293 is a prime.

It is a super-2 number, since 2×45315297² = 4106952284396418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45315293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2517508 + ... + 2517525.

Almost surely, 2^45315297 is an apocalyptic number.

It is an amenable number.

45315297 is a deficient number, since it is larger than the sum of its proper divisors (20140145).

45315297 is a wasteful number, since it uses less digits than its factorization.

45315297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5035039 (or 5035036 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 45315297 is about 6731.6637616565. The cubic root of 45315297 is about 356.5181220695.

The spelling of 45315297 in words is "forty-five million, three hundred fifteen thousand, two hundred ninety-seven".