45397625 has 48 divisors (see below), whose sum is σ = 70342272. Its totient is φ = 28641600.

The previous prime is 45397621. The next prime is 45397687. The reversal of 45397625 is 52679354.

45397625 = 8² + 9² + ... + 514².

It is not a de Polignac number, because 45397625 - 2² = 45397621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45397621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 147722 + ... + 148028.

It is an arithmetic number, because the mean of its divisors is an integer number (1465464).

Almost surely, 2^45397625 is an apocalyptic number.

It is an amenable number.

45397625 is a deficient number, since it is larger than the sum of its proper divisors (24944647).

45397625 is a wasteful number, since it uses less digits than its factorization.

45397625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 332 counting only the distinct ones).

The product of its digits is 226800, while the sum is 41.

The square root of 45397625 is about 6737.7759683741. The cubic root of 45397625 is about 356.7338966443.

The spelling of 45397625 in words is "forty-five million, three hundred ninety-seven thousand, six hundred twenty-five".