45233220 has 48 divisors (see below), whose sum is σ = 126983808. Its totient is φ = 12030720.

The previous prime is 45233219. The next prime is 45233231. The reversal of 45233220 is 2233254.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30537 + ... + 31983.

It is an arithmetic number, because the mean of its divisors is an integer number (2645496).

Almost surely, 2^45233220 is an apocalyptic number.

It is an amenable number.

45233220 is an abundant number, since it is smaller than the sum of its proper divisors (81750588).

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

45233220 is a wasteful number, since it uses less digits than its factorization.

45233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980 (or 1978 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 45233220 is about 6725.5646603092. The cubic root of 45233220 is about 356.3027450374.

Adding to 45233220 its reverse (2233254), we get a palindrome (47466474).

The spelling of 45233220 in words is "forty-five million, two hundred thirty-three thousand, two hundred twenty".