1144244431444 has 12 divisors (see below), whose sum is σ = 2015182073044. Its totient is φ = 568478124864.

The previous prime is 1144244431441. The next prime is 1144244431481. The reversal of 1144244431444 is 4441344424411.

It can be written as a sum of positive squares in 2 ways, for example, as 840544243344 + 303700188100 = 916812^2 + 551090^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1144244431397 and 1144244431406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144244431441) 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, 911022009 + ... + 911023264.

Almost surely, 2^{1144244431444} is an apocalyptic number.

It is an amenable number.

1144244431444 is a deficient number, since it is larger than the sum of its proper divisors (870937641600).

1144244431444 is a wasteful number, since it uses less digits than its factorization.

1144244431444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822045434 (or 1822045432 counting only the distinct ones).

The product of its digits is 393216, while the sum is 40.

Adding to 1144244431444 its reverse (4441344424411), we get a palindrome (5585588855855).

The spelling of 1144244431444 in words is "one trillion, one hundred forty-four billion, two hundred forty-four million, four hundred thirty-one thousand, four hundred forty-four".