45520280 has 32 divisors (see below), whose sum is σ = 110300400. Its totient is φ = 16807296.

The previous prime is 45520259. The next prime is 45520297. The reversal of 45520280 is 8202554.

45520280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

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, 43250 + ... + 44289.

Almost surely, 2^45520280 is an apocalyptic number.

45520280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45520280 is an abundant number, since it is smaller than the sum of its proper divisors (64780120).

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

45520280 is a wasteful number, since it uses less digits than its factorization.

45520280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87563 (or 87559 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 45520280 is about 6746.8718677621. The cubic root of 45520280 is about 357.0548814925.

The spelling of 45520280 in words is "forty-five million, five hundred twenty thousand, two hundred eighty".