45616220 has 24 divisors (see below), whose sum is σ = 103163424. Its totient is φ = 16842816.

The previous prime is 45616189. The next prime is 45616237. The reversal of 45616220 is 2261654.

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

It is a self number, because there is not a number n which added to its sum of digits gives 45616220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87464 + ... + 87983.

It is an arithmetic number, because the mean of its divisors is an integer number (4298476).

Almost surely, 2^45616220 is an apocalyptic number.

It is an amenable number.

45616220 is an abundant number, since it is smaller than the sum of its proper divisors (57547204).

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

45616220 is a wasteful number, since it uses less digits than its factorization.

45616220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175469 (or 175467 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 45616220 is about 6753.9780870240. The cubic root of 45616220 is about 357.3055522355.

Adding to 45616220 its reverse (2261654), we get a palindrome (47877874).

The spelling of 45616220 in words is "forty-five million, six hundred sixteen thousand, two hundred twenty".