159801 has 4 divisors (see below), whose sum is σ = 213072. Its totient is φ = 106532.

The previous prime is 159799. The next prime is 159811. The reversal of 159801 is 108951.

159801 is nontrivially palindromic in base 2 and base 13.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 159801 - 2¹ = 159799 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (159811) 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, 26631 + ... + 26636.

It is an arithmetic number, because the mean of its divisors is an integer number (53268).

2¹⁵⁹⁸⁰¹ is an apocalyptic number.

It is an amenable number.

159801 is a deficient number, since it is larger than the sum of its proper divisors (53271).

159801 is an equidigital number, since it uses as much as digits as its factorization.

159801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53270.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 159801 is about 399.7511726062. The cubic root of 159801 is about 54.2658359483.

The spelling of 159801 in words is "one hundred fifty-nine thousand, eight hundred one".