155159 has 4 divisors (see below), whose sum is σ = 164304. Its totient is φ = 146016.

The previous prime is 155153. The next prime is 155161. The reversal of 155159 is 951551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951551 = 107 ⋅8893.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155153) 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, 4547 + ... + 4580.

It is an arithmetic number, because the mean of its divisors is an integer number (41076).

2¹⁵⁵¹⁵⁹ is an apocalyptic number.

155159 is a deficient number, since it is larger than the sum of its proper divisors (9145).

155159 is an equidigital number, since it uses as much as digits as its factorization.

155159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9144.

The product of its digits is 1125, while the sum is 26.

The square root of 155159 is about 393.9022721437. The cubic root of 155159 is about 53.7352149708.

The spelling of 155159 in words is "one hundred fifty-five thousand, one hundred fifty-nine".