195151 has 8 divisors (see below), whose sum is σ = 216144. Its totient is φ = 174720.

The previous prime is 195137. The next prime is 195157. The reversal of 195151 is 151591.

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 195151 - 2⁷ = 195023 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 (195157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165 + ... + 1321.

It is an arithmetic number, because the mean of its divisors is an integer number (27018).

2¹⁹⁵¹⁵¹ is an apocalyptic number.

195151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

195151 is a deficient number, since it is larger than the sum of its proper divisors (20993).

195151 is a wasteful number, since it uses less digits than its factorization.

195151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281.

The product of its digits is 225, while the sum is 22.

The square root of 195151 is about 441.7589840626. The cubic root of 195151 is about 58.0038641896.

It can be divided in two parts, 1951 and 51, that added together give a palindrome (2002).

The spelling of 195151 in words is "one hundred ninety-five thousand, one hundred fifty-one".