86143 has 2 divisors, whose sum is σ = 86144. Its totient is φ = 86142.

The previous prime is 86137. The next prime is 86161. The reversal of 86143 is 34168.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86143 - 2⁵ = 86111 is a prime.

It is the 294-th Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86113) by changing a digit.

It is a nontrivial repunit in base 293.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43071 + 43072.

It is an arithmetic number, because the mean of its divisors is an integer number (43072).

2⁸⁶¹⁴³ is an apocalyptic number.

86143 is a deficient number, since it is larger than the sum of its proper divisors (1).

86143 is an equidigital number, since it uses as much as digits as its factorization.

86143 is an evil number, because the sum of its binary digits is even.

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

The square root of 86143 is about 293.5012776804. The cubic root of 86143 is about 44.1645012981.

The spelling of 86143 in words is "eighty-six thousand, one hundred forty-three".