1143359768 has 32 divisors (see below), whose sum is σ = 2161330560. Its totient is φ = 567022080.

The previous prime is 1143359759. The next prime is 1143359773. The reversal of 1143359768 is 8679533411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839408 + ... + 840768.

It is an arithmetic number, because the mean of its divisors is an integer number (67541580).

Almost surely, 2^1143359768 is an apocalyptic number.

It is an amenable number.

1143359768 is a deficient number, since it is larger than the sum of its proper divisors (1017970792).

1143359768 is a wasteful number, since it uses less digits than its factorization.

1143359768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147 (or 2143 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The square root of 1143359768 is about 33813.6032980811. The cubic root of 1143359768 is about 1045.6691662734.

The spelling of 1143359768 in words is "one billion, one hundred forty-three million, three hundred fifty-nine thousand, seven hundred sixty-eight".