195145 has 8 divisors (see below), whose sum is σ = 241920. Its totient is φ = 150960.

The previous prime is 195137. The next prime is 195157. The reversal of 195145 is 541591.

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

It is not a de Polignac number, because 195145 - 2³ = 195137 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475 + ... + 784.

It is an arithmetic number, because the mean of its divisors is an integer number (30240).

2¹⁹⁵¹⁴⁵ is an apocalyptic number.

It is an amenable number.

195145 is a deficient number, since it is larger than the sum of its proper divisors (46775).

195145 is a wasteful number, since it uses less digits than its factorization.

195145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295.

The product of its digits is 900, while the sum is 25.

The square root of 195145 is about 441.7521929770. The cubic root of 195145 is about 58.0032697324.

The spelling of 195145 in words is "one hundred ninety-five thousand, one hundred forty-five".