243159 has 8 divisors (see below), whose sum is σ = 370560. Its totient is φ = 138936.

The previous prime is 243157. The next prime is 243161. The reversal of 243159 is 951342.

It is an interprime number because it is at equal distance from previous prime (243157) and next prime (243161).

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

It is not a de Polignac number, because 243159 - 2¹ = 243157 is a prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5769 + ... + 5810.

It is an arithmetic number, because the mean of its divisors is an integer number (46320).

2²⁴³¹⁵⁹ is an apocalyptic number.

243159 is a deficient number, since it is larger than the sum of its proper divisors (127401).

243159 is a wasteful number, since it uses less digits than its factorization.

243159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11589.

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

The square root of 243159 is about 493.1115492462. Note that the first 3 decimals coincide. The cubic root of 243159 is about 62.4161221491.

The spelling of 243159 in words is "two hundred forty-three thousand, one hundred fifty-nine".