45223980 has 48 divisors (see below), whose sum is σ = 132136704. Its totient is φ = 11535040.

The previous prime is 45223949. The next prime is 45223987. The reversal of 45223980 is 8932254.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (45223987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15006 + ... + 17765.

It is an arithmetic number, because the mean of its divisors is an integer number (2752848).

Almost surely, 2^45223980 is an apocalyptic number.

It is an amenable number.

45223980 is an abundant number, since it is smaller than the sum of its proper divisors (86912724).

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

45223980 is a wasteful number, since it uses less digits than its factorization.

45223980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32806 (or 32804 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 45223980 is about 6724.8776940551. The cubic root of 45223980 is about 356.2784821795.

The spelling of 45223980 in words is "forty-five million, two hundred twenty-three thousand, nine hundred eighty".