1144331344 has 20 divisors (see below), whose sum is σ = 2387691796. Its totient is φ = 528152832.

The previous prime is 1144331333. The next prime is 1144331347. The reversal of 1144331344 is 4431334411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 337089600 + 807241744 = 18360^2 + 28412^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144331347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2750589 + ... + 2751004.

Almost surely, 2^1144331344 is an apocalyptic number.

It is an amenable number.

1144331344 is an abundant number, since it is smaller than the sum of its proper divisors (1243360452).

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

1144331344 is a wasteful number, since it uses less digits than its factorization.

1144331344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501614 (or 5501608 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 1144331344 is about 33827.9668913164. The cubic root of 1144331344 is about 1045.9652700491.

Adding to 1144331344 its reverse (4431334411), we get a palindrome (5575665755).

The spelling of 1144331344 in words is "one billion, one hundred forty-four million, three hundred thirty-one thousand, three hundred forty-four".