45231597 has 24 divisors (see below), whose sum is σ = 66725568. Its totient is φ = 29520000.

The previous prime is 45231581. The next prime is 45231601. The reversal of 45231597 is 79513254.

45231597 is a `hidden beast` number, since 45 + 23 + 1 + 597 = 666.

It is not a de Polignac number, because 45231597 - 2⁴ = 45231581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45231497) 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, 112597 + ... + 112997.

It is an arithmetic number, because the mean of its divisors is an integer number (2780232).

Almost surely, 2^45231597 is an apocalyptic number.

It is an amenable number.

45231597 is a deficient number, since it is larger than the sum of its proper divisors (21493971).

45231597 is a wasteful number, since it uses less digits than its factorization.

45231597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 638 counting only the distinct ones).

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

The square root of 45231597 is about 6725.4440002129. Note that the first 3 decimals coincide. The cubic root of 45231597 is about 356.2984835214.

The spelling of 45231597 in words is "forty-five million, two hundred thirty-one thousand, five hundred ninety-seven".