45583220 has 12 divisors (see below), whose sum is σ = 95724804. Its totient is φ = 18233280.

The previous prime is 45583199. The next prime is 45583231. The reversal of 45583220 is 2238554.

45583220 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6370576 + 39212644 = 2524^2 + 6262^2 .

45583220 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1139561 + ... + 1139600.

It is an arithmetic number, because the mean of its divisors is an integer number (7977067).

Almost surely, 2^45583220 is an apocalyptic number.

It is an amenable number.

45583220 is an abundant number, since it is smaller than the sum of its proper divisors (50141584).

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

45583220 is a wasteful number, since it uses less digits than its factorization.

45583220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279170 (or 2279168 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 45583220 is about 6751.5346403614. The cubic root of 45583220 is about 357.2193699689.

The spelling of 45583220 in words is "forty-five million, five hundred eighty-three thousand, two hundred twenty".