2004143 has 4 divisors (see below), whose sum is σ = 2024088. Its totient is φ = 1984200.

The previous prime is 2004137. The next prime is 2004209. The reversal of 2004143 is 3414002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2004143 - 2¹⁰ = 2003119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004133) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9821 + ... + 10022.

It is an arithmetic number, because the mean of its divisors is an integer number (506022).

2^2004143 is an apocalyptic number.

2004143 is a deficient number, since it is larger than the sum of its proper divisors (19945).

2004143 is a wasteful number, since it uses less digits than its factorization.

2004143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19944.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2004143 is about 1415.6775762864. The cubic root of 2004143 is about 126.0790425352.

Adding to 2004143 its reverse (3414002), we get a palindrome (5418145).

The spelling of 2004143 in words is "two million, four thousand, one hundred forty-three".