1143766156 has 24 divisors (see below), whose sum is σ = 2157336720. Its totient is φ = 527456832.

The previous prime is 1143766147. The next prime is 1143766189. The reversal of 1143766156 is 6516673411.

It is a super-2 number, since 2×1143766156² = 2616402039222032672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59550 + ... + 76378.

It is an arithmetic number, because the mean of its divisors is an integer number (89889030).

Almost surely, 2^1143766156 is an apocalyptic number.

It is an amenable number.

1143766156 is a deficient number, since it is larger than the sum of its proper divisors (1013570564).

1143766156 is a wasteful number, since it uses less digits than its factorization.

1143766156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18153 (or 18151 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 1143766156 is about 33819.6120025053. The cubic root of 1143766156 is about 1045.7930401045.

The spelling of 1143766156 in words is "one billion, one hundred forty-three million, seven hundred sixty-six thousand, one hundred fifty-six".