44538164 has 36 divisors (see below), whose sum is σ = 90727812. Its totient is φ = 19050240.

The previous prime is 44538161. The next prime is 44538167. The reversal of 44538164 is 46183544.

44538164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (44538161) and next prime (44538167).

It can be written as a sum of positive squares in 2 ways, for example, as 22165264 + 22372900 = 4708^2 + 4730^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44538161) 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 11 ways as a sum of consecutive naturals, for example, 5522 + ... + 10934.

It is an arithmetic number, because the mean of its divisors is an integer number (2520217).

Almost surely, 2^44538164 is an apocalyptic number.

44538164 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

44538164 is an abundant number, since it is smaller than the sum of its proper divisors (46189648).

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

44538164 is a wasteful number, since it uses less digits than its factorization.

44538164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456 (or 5443 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 44538164 is about 6673.6919317571. The cubic root of 44538164 is about 354.4683279806.

The spelling of 44538164 in words is "forty-four million, five hundred thirty-eight thousand, one hundred sixty-four".