45644163 has 4 divisors (see below), whose sum is σ = 60858888. Its totient is φ = 30429440.

The previous prime is 45644149. The next prime is 45644171. The reversal of 45644163 is 36144654.

45644163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45644163 - 2¹⁰ = 45643139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45644143) 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 3 ways as a sum of consecutive naturals, for example, 7607358 + ... + 7607363.

It is an arithmetic number, because the mean of its divisors is an integer number (15214722).

Almost surely, 2^45644163 is an apocalyptic number.

45644163 is a deficient number, since it is larger than the sum of its proper divisors (15214725).

45644163 is a wasteful number, since it uses less digits than its factorization.

45644163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15214724.

The product of its digits is 34560, while the sum is 33.

The square root of 45644163 is about 6756.0464030378. The cubic root of 45644163 is about 357.3784952302.

The spelling of 45644163 in words is "forty-five million, six hundred forty-four thousand, one hundred sixty-three".