45056620 has 24 divisors (see below), whose sum is σ = 108136224. Its totient is φ = 15447936.

The previous prime is 45056617. The next prime is 45056621. The reversal of 45056620 is 2665054.

45056620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×45056620³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (45056621) 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, 160777 + ... + 161056.

It is an arithmetic number, because the mean of its divisors is an integer number (4505676).

Almost surely, 2^45056620 is an apocalyptic number.

It is an amenable number.

45056620 is an abundant number, since it is smaller than the sum of its proper divisors (63079604).

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

45056620 is a wasteful number, since it uses less digits than its factorization.

45056620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321849 (or 321847 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 45056620 is about 6712.4228114743. The cubic root of 45056620 is about 355.8384466660.

The spelling of 45056620 in words is "forty-five million, fifty-six thousand, six hundred twenty".