195155 has 8 divisors (see below), whose sum is σ = 244512. Its totient is φ = 149248.

The previous prime is 195137. The next prime is 195157. The reversal of 195155 is 551591.

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 195155 - 2⁸ = 194899 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (195157) by changing a digit.

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, 734 + ... + 963.

It is an arithmetic number, because the mean of its divisors is an integer number (30564).

2¹⁹⁵¹⁵⁵ is an apocalyptic number.

195155 is a deficient number, since it is larger than the sum of its proper divisors (49357).

195155 is a wasteful number, since it uses less digits than its factorization.

195155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725.

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

The square root of 195155 is about 441.7635113950. The cubic root of 195155 is about 58.0042604877.

The spelling of 195155 in words is "one hundred ninety-five thousand, one hundred fifty-five".