1143295668 has 24 divisors (see below), whose sum is σ = 2964100160. Its totient is φ = 381098520.

The previous prime is 1143295651. The next prime is 1143295697. The reversal of 1143295668 is 8665923411.

It is a congruent number.

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, 5292928 + ... + 5293143.

Almost surely, 2^1143295668 is an apocalyptic number.

1143295668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1143295668 is an abundant number, since it is smaller than the sum of its proper divisors (1820804492).

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

1143295668 is a wasteful number, since it uses less digits than its factorization.

1143295668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10586084 (or 10586076 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 1143295668 is about 33812.6554414172. The cubic root of 1143295668 is about 1045.6496248458.

The spelling of 1143295668 in words is "one billion, one hundred forty-three million, two hundred ninety-five thousand, six hundred sixty-eight".