802642143 has 8 divisors (see below), whose sum is σ = 1070345728. Its totient is φ = 535016664.

The previous prime is 802642129. The next prime is 802642151. The reversal of 802642143 is 341246208.

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

It is not a de Polignac number, because 802642143 - 2⁶ = 802642079 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 802642143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802642103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11496 + ... + 41682.

It is an arithmetic number, because the mean of its divisors is an integer number (133793216).

Almost surely, 2^802642143 is an apocalyptic number.

802642143 is a deficient number, since it is larger than the sum of its proper divisors (267703585).

802642143 is a wasteful number, since it uses less digits than its factorization.

802642143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39053.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 802642143 is about 28330.9396773210. The cubic root of 802642143 is about 929.3386221473.

The spelling of 802642143 in words is "eight hundred two million, six hundred forty-two thousand, one hundred forty-three".