45432444 has 24 divisors (see below), whose sum is σ = 109665360. Its totient is φ = 14621824.

The previous prime is 45432407. The next prime is 45432493. The reversal of 45432444 is 44423454.

It is a congruent number.

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, 64929 + ... + 65624.

It is an arithmetic number, because the mean of its divisors is an integer number (4569390).

Almost surely, 2^45432444 is an apocalyptic number.

It is an amenable number.

45432444 is an abundant number, since it is smaller than the sum of its proper divisors (64232916).

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

45432444 is a wasteful number, since it uses less digits than its factorization.

45432444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130589 (or 130587 counting only the distinct ones).

The product of its digits is 30720, while the sum is 30.

The square root of 45432444 is about 6740.3593376021. The cubic root of 45432444 is about 356.8250757410.

Adding to 45432444 its reverse (44423454), we get a palindrome (89855898).

The spelling of 45432444 in words is "forty-five million, four hundred thirty-two thousand, four hundred forty-four".