1004404143 has 16 divisors (see below), whose sum is σ = 1348128000. Its totient is φ = 665153280.

The previous prime is 1004404069. The next prime is 1004404151. The reversal of 1004404143 is 3414044001.

It is not a de Polignac number, because 1004404143 - 2²² = 1000209839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004404243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553708 + ... + 555518.

It is an arithmetic number, because the mean of its divisors is an integer number (84258000).

Almost surely, 2^1004404143 is an apocalyptic number.

1004404143 is a deficient number, since it is larger than the sum of its proper divisors (343723857).

1004404143 is a wasteful number, since it uses less digits than its factorization.

1004404143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1004404143 is about 31692.3357138599. The cubic root of 1004404143 is about 1001.4658977604.

Adding to 1004404143 its reverse (3414044001), we get a palindrome (4418448144).

The spelling of 1004404143 in words is "one billion, four million, four hundred four thousand, one hundred forty-three".