45131576 has 32 divisors (see below), whose sum is σ = 98081280. Its totient is φ = 19068000.

The previous prime is 45131573. The next prime is 45131579. The reversal of 45131576 is 67513154.

It is an interprime number because it is at equal distance from previous prime (45131573) and next prime (45131579).

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45131573) 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, 1700 + ... + 9651.

It is an arithmetic number, because the mean of its divisors is an integer number (3065040).

Almost surely, 2^45131576 is an apocalyptic number.

It is an amenable number.

45131576 is an abundant number, since it is smaller than the sum of its proper divisors (52949704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45131576 is a wasteful number, since it uses less digits than its factorization.

45131576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11435 (or 11431 counting only the distinct ones).

The product of its digits is 12600, while the sum is 32.

The square root of 45131576 is about 6718.0038701983. The cubic root of 45131576 is about 356.0356611164.

The spelling of 45131576 in words is "forty-five million, one hundred thirty-one thousand, five hundred seventy-six".