1002044143 has 8 divisors (see below), whose sum is σ = 1014910848. Its totient is φ = 989196504.

The previous prime is 1002044119. The next prime is 1002044159. The reversal of 1002044143 is 3414402001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002044143 - 2²⁹ = 465173231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002044143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002044843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122446 + ... + 130372.

It is an arithmetic number, because the mean of its divisors is an integer number (126863856).

Almost surely, 2^1002044143 is an apocalyptic number.

1002044143 is a deficient number, since it is larger than the sum of its proper divisors (12866705).

1002044143 is an equidigital number, since it uses as much as digits as its factorization.

1002044143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9533.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1002044143 is about 31655.0808402064. The cubic root of 1002044143 is about 1000.6809172465.

Adding to 1002044143 its reverse (3414402001), we get a palindrome (4416446144).

The spelling of 1002044143 in words is "one billion, two million, forty-four thousand, one hundred forty-three".