1143458116 has 24 divisors (see below), whose sum is σ = 2044458360. Its totient is φ = 559460352.

The previous prime is 1143458077. The next prime is 1143458117. The reversal of 1143458116 is 6118543411.

It can be written as a sum of positive squares in 4 ways, for example, as 4665600 + 1138792516 = 2160^2 + 33746^2 .

It is not an unprimeable number, because it can be changed into a prime (1143458117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17976 + ... + 51088.

It is an arithmetic number, because the mean of its divisors is an integer number (85185765).

Almost surely, 2^1143458116 is an apocalyptic number.

It is an amenable number.

1143458116 is a deficient number, since it is larger than the sum of its proper divisors (901000244).

1143458116 is a wasteful number, since it uses less digits than its factorization.

1143458116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33303 (or 33301 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 1143458116 is about 33815.0575335900. The cubic root of 1143458116 is about 1045.6991470737.

The spelling of 1143458116 in words is "one billion, one hundred forty-three million, four hundred fifty-eight thousand, one hundred sixteen".