45143312 has 40 divisors (see below), whose sum is σ = 90101376. Its totient is φ = 21900416.

The previous prime is 45143299. The next prime is 45143323. The reversal of 45143312 is 21334154.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129923 + ... + 130269.

Almost surely, 2^45143312 is an apocalyptic number.

It is an amenable number.

45143312 is a deficient number, since it is larger than the sum of its proper divisors (44958064).

45143312 is a wasteful number, since it uses less digits than its factorization.

45143312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 569 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 45143312 is about 6718.8772871664. The cubic root of 45143312 is about 356.0665195734.

Adding to 45143312 its reverse (21334154), we get a palindrome (66477466).

The spelling of 45143312 in words is "forty-five million, one hundred forty-three thousand, three hundred twelve".