1143472964 has 12 divisors (see below), whose sum is σ = 2043654144. Its totient is φ = 559571784.

The previous prime is 1143472867. The next prime is 1143473003. The reversal of 1143472964 is 4692743411.

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, 3040964 + ... + 3041339.

It is an arithmetic number, because the mean of its divisors is an integer number (170304512).

Almost surely, 2^1143472964 is an apocalyptic number.

It is an amenable number.

1143472964 is a deficient number, since it is larger than the sum of its proper divisors (900181180).

1143472964 is a wasteful number, since it uses less digits than its factorization.

1143472964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6082354 (or 6082352 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 1143472964 is about 33815.2770800418. The cubic root of 1143472964 is about 1045.7036732484.

The spelling of 1143472964 in words is "one billion, one hundred forty-three million, four hundred seventy-two thousand, nine hundred sixty-four".