45131332 has 12 divisors (see below), whose sum is σ = 79034256. Its totient is φ = 22550120.

The previous prime is 45131323. The next prime is 45131351. The reversal of 45131332 is 23313154.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4803 + ... + 10645.

It is an arithmetic number, because the mean of its divisors is an integer number (6586188).

Almost surely, 2^45131332 is an apocalyptic number.

It is an amenable number.

45131332 is a deficient number, since it is larger than the sum of its proper divisors (33902924).

45131332 is a wasteful number, since it uses less digits than its factorization.

45131332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7778 (or 7776 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 45131332 is about 6717.9857100175. The cubic root of 45131332 is about 356.0350194899.

Adding to 45131332 its reverse (23313154), we get a palindrome (68444486).

The spelling of 45131332 in words is "forty-five million, one hundred thirty-one thousand, three hundred thirty-two".