45463621 has 8 divisors (see below), whose sum is σ = 53019200. Its totient is φ = 38968524.

The previous prime is 45463601. The next prime is 45463633. The reversal of 45463621 is 12636454.

45463621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45463621 - 2⁷ = 45463493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45463601) 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, 65931 + ... + 66616.

It is an arithmetic number, because the mean of its divisors is an integer number (6627400).

Almost surely, 2^45463621 is an apocalyptic number.

It is an amenable number.

45463621 is a deficient number, since it is larger than the sum of its proper divisors (7555579).

45463621 is an equidigital number, since it uses as much as digits as its factorization.

45463621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132568 (or 132554 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 45463621 is about 6742.6716515043. The cubic root of 45463621 is about 356.9066781576.

The spelling of 45463621 in words is "forty-five million, four hundred sixty-three thousand, six hundred twenty-one".