283143 has 16 divisors (see below), whose sum is σ = 439040. Its totient is φ = 158976.

The previous prime is 283139. The next prime is 283159. The reversal of 283143 is 341382.

It is a happy number.

It is not a de Polignac number, because 283143 - 2² = 283139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 283143.

It is not an unprimeable number, because it can be changed into a prime (283133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1968 + ... + 2106.

It is an arithmetic number, because the mean of its divisors is an integer number (27440).

2²⁸³¹⁴³ is an apocalyptic number.

283143 is a deficient number, since it is larger than the sum of its proper divisors (155897).

283143 is a wasteful number, since it uses less digits than its factorization.

283143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246.

The product of its digits is 576, while the sum is 21.

The square root of 283143 is about 532.1118303515. Note that the first 3 decimals coincide. The cubic root of 283143 is about 65.6652007655.

The spelling of 283143 in words is "two hundred eighty-three thousand, one hundred forty-three".