44538113 has 16 divisors (see below), whose sum is σ = 49617360. Its totient is φ = 39782400.

The previous prime is 44538089. The next prime is 44538133. The reversal of 44538113 is 31183544.

It can be written as a sum of positive squares in 8 ways, for example, as 1399489 + 43138624 = 1183^2 + 6568^2 .

It is a cyclic number.

It is not a de Polignac number, because 44538113 - 2¹⁸ = 44275969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44538133) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29333 + ... + 30813.

It is an arithmetic number, because the mean of its divisors is an integer number (3101085).

Almost surely, 2^44538113 is an apocalyptic number.

It is an amenable number.

44538113 is a deficient number, since it is larger than the sum of its proper divisors (5079247).

44538113 is a wasteful number, since it uses less digits than its factorization.

44538113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588.

The product of its digits is 5760, while the sum is 29.

The square root of 44538113 is about 6673.6881107825. The cubic root of 44538113 is about 354.4681926817.

The spelling of 44538113 in words is "forty-four million, five hundred thirty-eight thousand, one hundred thirteen".