286142 has 8 divisors (see below), whose sum is σ = 432216. Its totient is φ = 142072.

The previous prime is 286129. The next prime is 286163. The reversal of 286142 is 241682.

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

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 286142.

It is an unprimeable number.

286142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68 + ... + 759.

It is an arithmetic number, because the mean of its divisors is an integer number (54027).

2²⁸⁶¹⁴² is an apocalyptic number.

286142 is a deficient number, since it is larger than the sum of its proper divisors (146074).

286142 is a wasteful number, since it uses less digits than its factorization.

286142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002.

The product of its digits is 768, while the sum is 23.

The square root of 286142 is about 534.9224242823. The cubic root of 286142 is about 65.8962250388.

The spelling of 286142 in words is "two hundred eighty-six thousand, one hundred forty-two".