159291 has 12 divisors (see below), whose sum is σ = 251160. Its totient is φ = 96480.

The previous prime is 159287. The next prime is 159293. The reversal of 159291 is 192951.

It is a happy number.

It is not a de Polignac number, because 159291 - 2² = 159287 is a prime.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (159293) 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 11 ways as a sum of consecutive naturals, for example, 706 + ... + 903.

It is an arithmetic number, because the mean of its divisors is an integer number (20930).

2¹⁵⁹²⁹¹ is an apocalyptic number.

159291 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

159291 is a deficient number, since it is larger than the sum of its proper divisors (91869).

159291 is a wasteful number, since it uses less digits than its factorization.

159291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626 (or 1623 counting only the distinct ones).

The product of its digits is 810, while the sum is 27.

The square root of 159291 is about 399.1127660198. The cubic root of 159291 is about 54.2080451740.

The spelling of 159291 in words is "one hundred fifty-nine thousand, two hundred ninety-one".