1143933804 has 144 divisors (see below), whose sum is σ = 3188220672. Its totient is φ = 343719936.

The previous prime is 1143933803. The next prime is 1143933809. The reversal of 1143933804 is 4083393411.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1143933803) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5129637 + ... + 5129859.

Almost surely, 2^1143933804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143933804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1594110336).

1143933804 is an abundant number, since it is smaller than the sum of its proper divisors (2044286868).

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

1143933804 is a wasteful number, since it uses less digits than its factorization.

1143933804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1143933804 is about 33822.0904735352. The cubic root of 1143933804 is about 1045.8441334581.

The spelling of 1143933804 in words is "one billion, one hundred forty-three million, nine hundred thirty-three thousand, eight hundred four".