802143 has 12 divisors (see below), whose sum is σ = 1201928. Its totient is φ = 534600.

The previous prime is 802141. The next prime is 802147. The reversal of 802143 is 341208.

It is a happy number.

It is not a de Polignac number, because 802143 - 2¹ = 802141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 802143.

It is not an unprimeable number, because it can be changed into a prime (802141) 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 11 ways as a sum of consecutive naturals, for example, 1408 + ... + 1893.

2⁸⁰²¹⁴³ is an apocalyptic number.

802143 is a deficient number, since it is larger than the sum of its proper divisors (399785).

802143 is an equidigital number, since it uses as much as digits as its factorization.

802143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316 (or 3304 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 802143 is about 895.6243632238. The cubic root of 802143 is about 92.9145938080.

The spelling of 802143 in words is "eight hundred two thousand, one hundred forty-three".