155163 has 4 divisors (see below), whose sum is σ = 206888. Its totient is φ = 103440.

The previous prime is 155161. The next prime is 155167. The reversal of 155163 is 361551.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 155163 - 2¹ = 155161 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155161) 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, 25858 + ... + 25863.

It is an arithmetic number, because the mean of its divisors is an integer number (51722).

2¹⁵⁵¹⁶³ is an apocalyptic number.

155163 is a deficient number, since it is larger than the sum of its proper divisors (51725).

155163 is an equidigital number, since it uses as much as digits as its factorization.

155163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51724.

The product of its digits is 450, while the sum is 21.

The square root of 155163 is about 393.9073495125. The cubic root of 155163 is about 53.7356767315.

The spelling of 155163 in words is "one hundred fifty-five thousand, one hundred sixty-three".