1143105896 has 16 divisors (see below), whose sum is σ = 2154206340. Its totient is φ = 568650880.

The previous prime is 1143105883. The next prime is 1143105907. The reversal of 1143105896 is 6985013411.

It can be written as a sum of positive squares in 2 ways, for example, as 966588100 + 176517796 = 31090^2 + 13286^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361085 + ... + 364236.

Almost surely, 2^1143105896 is an apocalyptic number.

It is an amenable number.

1143105896 is a deficient number, since it is larger than the sum of its proper divisors (1011100444).

1143105896 is a wasteful number, since it uses less digits than its factorization.

1143105896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725524 (or 725520 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 1143105896 is about 33809.8490975633. The cubic root of 1143105896 is about 1045.5917669629.

The spelling of 1143105896 in words is "one billion, one hundred forty-three million, one hundred five thousand, eight hundred ninety-six".