1144541156 has 12 divisors (see below), whose sum is σ = 2185033200. Its totient is φ = 520245960.

The previous prime is 1144541149. The next prime is 1144541161. The reversal of 1144541156 is 6511454411.

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, 13006106 + ... + 13006193.

It is an arithmetic number, because the mean of its divisors is an integer number (182086100).

Almost surely, 2^1144541156 is an apocalyptic number.

It is an amenable number.

1144541156 is a deficient number, since it is larger than the sum of its proper divisors (1040492044).

1144541156 is a wasteful number, since it uses less digits than its factorization.

1144541156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26012314 (or 26012312 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The square root of 1144541156 is about 33831.0679110193. The cubic root of 1144541156 is about 1046.0291917024.

Adding to 1144541156 its reverse (6511454411), we get a palindrome (7655995567).

The spelling of 1144541156 in words is "one billion, one hundred forty-four million, five hundred forty-one thousand, one hundred fifty-six".