1143804004 has 24 divisors (see below), whose sum is σ = 2318949248. Its totient is φ = 483485760.

The previous prime is 1143803989. The next prime is 1143804017. The reversal of 1143804004 is 4004083411.

It is a self number, because there is not a number n which added to its sum of digits gives 1143804004.

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, 277752 + ... + 281839.

Almost surely, 2^1143804004 is an apocalyptic number.

1143804004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1143804004 is an abundant number, since it is smaller than the sum of its proper divisors (1175145244).

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

1143804004 is a wasteful number, since it uses less digits than its factorization.

1143804004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559675 (or 559673 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1143804004 is about 33820.1715548576. The cubic root of 1143804004 is about 1045.8045753115.

Adding to 1143804004 its reverse (4004083411), we get a palindrome (5147887415).

The spelling of 1143804004 in words is "one billion, one hundred forty-three million, eight hundred four thousand, four".