195147 has 6 divisors (see below), whose sum is σ = 281892. Its totient is φ = 130092.

The previous prime is 195137. The next prime is 195157. The reversal of 195147 is 741591.

It is an interprime number because it is at equal distance from previous prime (195137) and next prime (195157).

It is not a de Polignac number, because 195147 - 2⁴ = 195131 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 195147.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 195147.

It is not an unprimeable number, because it can be changed into a prime (195127) 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 5 ways as a sum of consecutive naturals, for example, 10833 + ... + 10850.

It is an arithmetic number, because the mean of its divisors is an integer number (46982).

2¹⁹⁵¹⁴⁷ is an apocalyptic number.

195147 is a deficient number, since it is larger than the sum of its proper divisors (86745).

195147 is a wasteful number, since it uses less digits than its factorization.

195147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21689 (or 21686 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 195147 is about 441.7544566838. The cubic root of 195147 is about 58.0034678862.

The spelling of 195147 in words is "one hundred ninety-five thousand, one hundred forty-seven".