44142131 has 12 divisors (see below), whose sum is σ = 49077000. Its totient is φ = 39668640.

The previous prime is 44142103. The next prime is 44142157. The reversal of 44142131 is 13124144.

It is not a de Polignac number, because 44142131 - 2¹⁰ = 44141107 is a prime.

It is a super-2 number, since 2×44142131² = 3897055458442322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44142731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8720 + ... + 12818.

It is an arithmetic number, because the mean of its divisors is an integer number (4089750).

Almost surely, 2^44142131 is an apocalyptic number.

44142131 is a deficient number, since it is larger than the sum of its proper divisors (4934869).

44142131 is a wasteful number, since it uses less digits than its factorization.

44142131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210 (or 4199 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 44142131 is about 6643.9544700427. The cubic root of 44142131 is about 353.4145552173.

Adding to 44142131 its reverse (13124144), we get a palindrome (57266275).

The spelling of 44142131 in words is "forty-four million, one hundred forty-two thousand, one hundred thirty-one".