1143005968 has 40 divisors (see below), whose sum is σ = 2417628248. Its totient is φ = 520307712.

The previous prime is 1143005959. The next prime is 1143005987. The reversal of 1143005968 is 8695003411.

It can be written as a sum of positive squares in 4 ways, for example, as 195105024 + 947900944 = 13968^2 + 30788^2 .

It is a super-4 number, since 4×1143005968⁴ (a number of 37 digits) contains 4444 as substring.

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, 22455 + ... + 52822.

Almost surely, 2^1143005968 is an apocalyptic number.

It is an amenable number.

1143005968 is an abundant number, since it is smaller than the sum of its proper divisors (1274622280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143005968 is a wasteful number, since it uses less digits than its factorization.

1143005968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75371 (or 75365 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1143005968 is about 33808.3712710329. The cubic root of 1143005968 is about 1045.5612982375.

The spelling of 1143005968 in words is "one billion, one hundred forty-three million, five thousand, nine hundred sixty-eight".