45322920 has 48 divisors (see below), whose sum is σ = 147300660. Its totient is φ = 12086016.

The previous prime is 45322919. The next prime is 45322951. The reversal of 45322920 is 2922354.

It can be written as a sum of positive squares in 2 ways, for example, as 44435556 + 887364 = 6666^2 + 942^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62589 + ... + 63308.

Almost surely, 2^45322920 is an apocalyptic number.

45322920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45322920 is an abundant number, since it is smaller than the sum of its proper divisors (101977740).

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

45322920 is a wasteful number, since it uses less digits than its factorization.

45322920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125914 (or 125907 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 45322920 is about 6732.2299425970. The cubic root of 45322920 is about 356.5381122674.

The spelling of 45322920 in words is "forty-five million, three hundred twenty-two thousand, nine hundred twenty".