1143768364 has 18 divisors (see below), whose sum is σ = 2126263580. Its totient is φ = 538243392.

The previous prime is 1143768317. The next prime is 1143768413. The reversal of 1143768364 is 4638673411.

It is a self number, because there is not a number n which added to its sum of digits gives 1143768364.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 493554 + ... + 495865.

Almost surely, 2^1143768364 is an apocalyptic number.

It is an amenable number.

1143768364 is a deficient number, since it is larger than the sum of its proper divisors (982495216).

1143768364 is a wasteful number, since it uses less digits than its factorization.

1143768364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989457 (or 989438 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 1143768364 is about 33819.6446462703. The cubic root of 1143768364 is about 1045.7937130595.

The spelling of 1143768364 in words is "one billion, one hundred forty-three million, seven hundred sixty-eight thousand, three hundred sixty-four".