159101 has 4 divisors (see below), whose sum is σ = 159900. Its totient is φ = 158304.

The previous prime is 159097. The next prime is 159113. The reversal of 159101 is 101951.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 101951 = 269 ⋅379.

It can be written as a sum of positive squares in 2 ways, for example, as 96100 + 63001 = 310^2 + 251^2 .

It is a cyclic number.

It is not a de Polignac number, because 159101 - 2² = 159097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 159101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159161) 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, 185 + ... + 593.

It is an arithmetic number, because the mean of its divisors is an integer number (39975).

2¹⁵⁹¹⁰¹ is an apocalyptic number.

It is an amenable number.

159101 is a deficient number, since it is larger than the sum of its proper divisors (799).

159101 is an equidigital number, since it uses as much as digits as its factorization.

159101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798.

The product of its (nonzero) digits is 45, while the sum is 17.

The square root of 159101 is about 398.8746670321. The cubic root of 159101 is about 54.1864837417.

The spelling of 159101 in words is "one hundred fifty-nine thousand, one hundred one".