11440144 has 20 divisors (see below), whose sum is σ = 22298796. Its totient is φ = 5685632.

The previous prime is 11440127. The next prime is 11440151. The reversal of 11440144 is 44104411.

It can be written as a sum of positive squares in 2 ways, for example, as 9535744 + 1904400 = 3088^2 + 1380^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702 + ... + 4834.

Almost surely, 2^11440144 is an apocalyptic number.

It is an amenable number.

11440144 is a deficient number, since it is larger than the sum of its proper divisors (10858652).

11440144 is a wasteful number, since it uses less digits than its factorization.

11440144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314 (or 4308 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 11440144 is about 3382.3281922368. The cubic root of 11440144 is about 225.3255796810.

Adding to 11440144 its reverse (44104411), we get a palindrome (55544555).

The spelling of 11440144 in words is "eleven million, four hundred forty thousand, one hundred forty-four".