44045131 has 4 divisors (see below), whose sum is σ = 47433232. Its totient is φ = 40657032.

The previous prime is 44045123. The next prime is 44045143. The reversal of 44045131 is 13154044.

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

It is not a de Polignac number, because 44045131 - 2³ = 44045123 is a prime.

It is a super-2 number, since 2×44045131² = 3879947129614322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44045231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1694031 + ... + 1694056.

It is an arithmetic number, because the mean of its divisors is an integer number (11858308).

Almost surely, 2^44045131 is an apocalyptic number.

44045131 is a deficient number, since it is larger than the sum of its proper divisors (3388101).

44045131 is a wasteful number, since it uses less digits than its factorization.

44045131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388100.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 44045131 is about 6636.6505859507. The cubic root of 44045131 is about 353.1554954320.

Adding to 44045131 its reverse (13154044), we get a palindrome (57199175).

The spelling of 44045131 in words is "forty-four million, forty-five thousand, one hundred thirty-one".