44138165 has 8 divisors (see below), whose sum is σ = 53006208. Its totient is φ = 35283600.

The previous prime is 44138161. The next prime is 44138179. The reversal of 44138165 is 56183144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44138165 - 2² = 44138161 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 (44138161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6440 + ... + 11390.

It is an arithmetic number, because the mean of its divisors is an integer number (6625776).

Almost surely, 2^44138165 is an apocalyptic number.

It is an amenable number.

44138165 is a deficient number, since it is larger than the sum of its proper divisors (8868043).

44138165 is a wasteful number, since it uses less digits than its factorization.

44138165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6739.

The product of its digits is 11520, while the sum is 32.

The square root of 44138165 is about 6643.6559965128. The cubic root of 44138165 is about 353.4039705893.

The spelling of 44138165 in words is "forty-four million, one hundred thirty-eight thousand, one hundred sixty-five".