44312144 has 40 divisors (see below), whose sum is σ = 90827520. Its totient is φ = 20908800.

The previous prime is 44312143. The next prime is 44312167. The reversal of 44312144 is 44121344.

It is a happy number.

It is a super-2 number, since 2×44312144² = 3927132211753472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44312143) 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, 19247 + ... + 21425.

It is an arithmetic number, because the mean of its divisors is an integer number (2270688).

Almost surely, 2^44312144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44312144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45413760).

44312144 is an abundant number, since it is smaller than the sum of its proper divisors (46515376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44312144 is a wasteful number, since it uses less digits than its factorization.

44312144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259 (or 2253 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 44312144 is about 6656.7367380722. The cubic root of 44312144 is about 353.8676982277.

Adding to 44312144 its reverse (44121344), we get a palindrome (88433488).

The spelling of 44312144 in words is "forty-four million, three hundred twelve thousand, one hundred forty-four".