159243 has 8 divisors (see below), whose sum is σ = 242688. Its totient is φ = 90984.

The previous prime is 159233. The next prime is 159287. The reversal of 159243 is 342951.

159243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 159243 - 2⁴ = 159227 is a prime.

159243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (159223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3771 + ... + 3812.

It is an arithmetic number, because the mean of its divisors is an integer number (30336).

2¹⁵⁹²⁴³ is an apocalyptic number.

159243 is a deficient number, since it is larger than the sum of its proper divisors (83445).

159243 is an equidigital number, since it uses as much as digits as its factorization.

159243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7593.

The product of its digits is 1080, while the sum is 24.

The square root of 159243 is about 399.0526281081. The cubic root of 159243 is about 54.2025996947.

The spelling of 159243 in words is "one hundred fifty-nine thousand, two hundred forty-three".