1144013144 has 8 divisors (see below), whose sum is σ = 2145024660. Its totient is φ = 572006568.

The previous prime is 1144013111. The next prime is 1144013159. The reversal of 1144013144 is 4413104411.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71500814 + ... + 71500829.

Almost surely, 2^1144013144 is an apocalyptic number.

It is an amenable number.

1144013144 is a deficient number, since it is larger than the sum of its proper divisors (1001011516).

1144013144 is a wasteful number, since it uses less digits than its factorization.

1144013144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143001649 (or 143001645 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1144013144 is about 33823.2633552707. The cubic root of 1144013144 is about 1045.8683118255.

Adding to 1144013144 its reverse (4413104411), we get a palindrome (5557117555).

The spelling of 1144013144 in words is "one billion, one hundred forty-four million, thirteen thousand, one hundred forty-four".