45432228 has 24 divisors (see below), whose sum is σ = 112244832. Its totient is φ = 14253184.

The previous prime is 45432193. The next prime is 45432229. The reversal of 45432228 is 82223454.

It is a junction number, because it is equal to n+sod(n) for n = 45432195 and 45432204.

It is not an unprimeable number, because it can be changed into a prime (45432229) 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, 111150 + ... + 111557.

It is an arithmetic number, because the mean of its divisors is an integer number (4676868).

Almost surely, 2^45432228 is an apocalyptic number.

It is an amenable number.

45432228 is an abundant number, since it is smaller than the sum of its proper divisors (66812604).

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

45432228 is a wasteful number, since it uses less digits than its factorization.

45432228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222731 (or 222729 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 45432228 is about 6740.3433146984. The cubic root of 45432228 is about 356.8245102543.

The spelling of 45432228 in words is "forty-five million, four hundred thirty-two thousand, two hundred twenty-eight".