8006143 has 4 divisors (see below), whose sum is σ = 8064720. Its totient is φ = 7947568.

The previous prime is 8006137. The next prime is 8006149. The reversal of 8006143 is 3416008.

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

It is an interprime number because it is at equal distance from previous prime (8006137) and next prime (8006149).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8006143 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 (8006149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29083 + ... + 29356.

It is an arithmetic number, because the mean of its divisors is an integer number (2016180).

Almost surely, 2^8006143 is an apocalyptic number.

8006143 is a deficient number, since it is larger than the sum of its proper divisors (58577).

8006143 is a wasteful number, since it uses less digits than its factorization.

8006143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58576.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 8006143 is about 2829.5128555990. The cubic root of 8006143 is about 200.0511785693.

The spelling of 8006143 in words is "eight million, six thousand, one hundred forty-three".