1144403144 has 32 divisors (see below), whose sum is σ = 2286490680. Its totient is φ = 535102464.

The previous prime is 1144403123. The next prime is 1144403147. The reversal of 1144403144 is 4413044411.

It can be written as a sum of positive squares in 4 ways, for example, as 1131515044 + 12888100 = 33638^2 + 3590^2 .

It is not an unprimeable number, because it can be changed into a prime (1144403147) 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, 5447 + ... + 48150.

Almost surely, 2^1144403144 is an apocalyptic number.

It is an amenable number.

1144403144 is a deficient number, since it is larger than the sum of its proper divisors (1142087536).

1144403144 is a wasteful number, since it uses less digits than its factorization.

1144403144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53777 (or 53773 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 1144403144 is about 33829.0281267435. The cubic root of 1144403144 is about 1045.9871456291.

Adding to 1144403144 its reverse (4413044411), we get a palindrome (5557447555).

The spelling of 1144403144 in words is "one billion, one hundred forty-four million, four hundred three thousand, one hundred forty-four".