44144631 has 12 divisors (see below), whose sum is σ = 67515552. Its totient is φ = 27698496.

The previous prime is 44144627. The next prime is 44144671. The reversal of 44144631 is 13644144.

It is not a de Polignac number, because 44144631 - 2² = 44144627 is a prime.

It is a super-2 number, since 2×44144631² = 3897496892252322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44144595 and 44144604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44144671) 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, 144111 + ... + 144416.

It is an arithmetic number, because the mean of its divisors is an integer number (5626296).

Almost surely, 2^44144631 is an apocalyptic number.

44144631 is a deficient number, since it is larger than the sum of its proper divisors (23370921).

44144631 is a wasteful number, since it uses less digits than its factorization.

44144631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288550 (or 288547 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 44144631 is about 6644.1426083431. The cubic root of 44144631 is about 353.4212269969.

Adding to 44144631 its reverse (13644144), we get a palindrome (57788775).

It can be divided in two parts, 4414 and 4631, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 44144631 in words is "forty-four million, one hundred forty-four thousand, six hundred thirty-one".