1143804868 has 12 divisors (see below), whose sum is σ = 2016059920. Its totient is φ = 567787752.

The previous prime is 1143804853. The next prime is 1143804869. The reversal of 1143804868 is 8684083411.

It is not an unprimeable number, because it can be changed into a prime (1143804869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028046 + ... + 1029157.

Almost surely, 2^1143804868 is an apocalyptic number.

It is an amenable number.

1143804868 is a deficient number, since it is larger than the sum of its proper divisors (872255052).

1143804868 is a wasteful number, since it uses less digits than its factorization.

1143804868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057346 (or 2057344 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 1143804868 is about 33820.1843282972. The cubic root of 1143804868 is about 1045.8048386361.

The spelling of 1143804868 in words is "one billion, one hundred forty-three million, eight hundred four thousand, eight hundred sixty-eight".