45504920 has 32 divisors (see below), whose sum is σ = 108410400. Its totient is φ = 17131008.

The previous prime is 45504919. The next prime is 45504923. The reversal of 45504920 is 2940554.

It is a happy number.

45504920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45504923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32780 + ... + 34139.

It is an arithmetic number, because the mean of its divisors is an integer number (3387825).

Almost surely, 2^45504920 is an apocalyptic number.

45504920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45504920 is an abundant number, since it is smaller than the sum of its proper divisors (62905480).

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

45504920 is a wasteful number, since it uses less digits than its factorization.

45504920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66947 (or 66943 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 45504920 is about 6745.7334664216. The cubic root of 45504920 is about 357.0147163913.

The spelling of 45504920 in words is "forty-five million, five hundred four thousand, nine hundred twenty".