45897531 has 8 divisors (see below), whose sum is σ = 61803024. Its totient is φ = 30295200.

The previous prime is 45897529. The next prime is 45897539. The reversal of 45897531 is 13579854.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45897531 - 2¹ = 45897529 is a prime.

It is a super-2 number, since 2×45897531² = 4213166703791922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45897539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75436 + ... + 76041.

It is an arithmetic number, because the mean of its divisors is an integer number (7725378).

Almost surely, 2^45897531 is an apocalyptic number.

45897531 is a deficient number, since it is larger than the sum of its proper divisors (15905493).

45897531 is a wasteful number, since it uses less digits than its factorization.

45897531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151581.

The product of its digits is 151200, while the sum is 42.

The square root of 45897531 is about 6774.7716566686. The cubic root of 45897531 is about 358.0385376156.

The spelling of 45897531 in words is "forty-five million, eight hundred ninety-seven thousand, five hundred thirty-one".