289143 has 8 divisors (see below), whose sum is σ = 428400. Its totient is φ = 192744.

The previous prime is 289141. The next prime is 289151. The reversal of 289143 is 341982.

It is not a de Polignac number, because 289143 - 2¹ = 289141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 10709 = 289143 / (2 + 8 + 9 + 1 + 4 + 3).

It is a nialpdrome in base 14.

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 289143.

It is not an unprimeable number, because it can be changed into a prime (289141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5328 + ... + 5381.

It is an arithmetic number, because the mean of its divisors is an integer number (53550).

2²⁸⁹¹⁴³ is an apocalyptic number.

289143 is a deficient number, since it is larger than the sum of its proper divisors (139257).

289143 is a wasteful number, since it uses less digits than its factorization.

289143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10718 (or 10712 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 289143 is about 537.7201874581. The cubic root of 289143 is about 66.1257931492.

The spelling of 289143 in words is "two hundred eighty-nine thousand, one hundred forty-three".