1143803768 has 8 divisors (see below), whose sum is σ = 2144632080. Its totient is φ = 571901880.

The previous prime is 1143803753. The next prime is 1143803779. The reversal of 1143803768 is 8673083411.

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, 71487728 + ... + 71487743.

It is an arithmetic number, because the mean of its divisors is an integer number (268079010).

Almost surely, 2^1143803768 is an apocalyptic number.

It is an amenable number.

1143803768 is a deficient number, since it is larger than the sum of its proper divisors (1000828312).

1143803768 is a wasteful number, since it uses less digits than its factorization.

1143803768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142975477 (or 142975473 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 1143803768 is about 33820.1680658154. The cubic root of 1143803768 is about 1045.8045033849.

The spelling of 1143803768 in words is "one billion, one hundred forty-three million, eight hundred three thousand, seven hundred sixty-eight".