108155 has 8 divisors (see below), whose sum is σ = 131712. Its totient is φ = 85248.

The previous prime is 108139. The next prime is 108161. The reversal of 108155 is 551801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 108155 - 2⁴ = 108139 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 374 + ... + 596.

It is an arithmetic number, because the mean of its divisors is an integer number (16464).

2¹⁰⁸¹⁵⁵ is an apocalyptic number.

108155 is a deficient number, since it is larger than the sum of its proper divisors (23557).

108155 is an equidigital number, since it uses as much as digits as its factorization.

108155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 108155 is about 328.8692749407. The cubic root of 108155 is about 47.6448028136.

Adding to 108155 its reverse (551801), we get a palindrome (659956).

The spelling of 108155 in words is "one hundred eight thousand, one hundred fifty-five".