159843 has 4 divisors (see below), whose sum is σ = 213128. Its totient is φ = 106560.

The previous prime is 159839. The next prime is 159853. The reversal of 159843 is 348951.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 159843 - 2² = 159839 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 159843.

It is not an unprimeable number, because it can be changed into a prime (159833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26638 + ... + 26643.

It is an arithmetic number, because the mean of its divisors is an integer number (53282).

2¹⁵⁹⁸⁴³ is an apocalyptic number.

159843 is a deficient number, since it is larger than the sum of its proper divisors (53285).

159843 is an equidigital number, since it uses as much as digits as its factorization.

159843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53284.

The product of its digits is 4320, while the sum is 30.

The square root of 159843 is about 399.8037018338. The cubic root of 159843 is about 54.2705897055.

The spelling of 159843 in words is "one hundred fifty-nine thousand, eight hundred forty-three".