45202920 has 64 divisors (see below), whose sum is σ = 154984320. Its totient is φ = 10331904.

The previous prime is 45202903. The next prime is 45202921. The reversal of 45202920 is 2920254.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (45202921) 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, 26067 + ... + 27746.

It is an arithmetic number, because the mean of its divisors is an integer number (2421630).

Almost surely, 2^45202920 is an apocalyptic number.

45202920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45202920 is an abundant number, since it is smaller than the sum of its proper divisors (109781400).

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

45202920 is a wasteful number, since it uses less digits than its factorization.

45202920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53834 (or 53830 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 45202920 is about 6723.3116839843. The cubic root of 45202920 is about 356.2231694167.

The spelling of 45202920 in words is "forty-five million, two hundred two thousand, nine hundred twenty".