195945 has 8 divisors (see below), whose sum is σ = 313536. Its totient is φ = 104496.

The previous prime is 195931. The next prime is 195967. The reversal of 195945 is 549591.

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

It is not a de Polignac number, because 195945 - 2⁴ = 195929 is a prime.

It is a Curzon 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, 6517 + ... + 6546.

It is an arithmetic number, because the mean of its divisors is an integer number (39192).

2¹⁹⁵⁹⁴⁵ is an apocalyptic number.

195945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195945 is a deficient number, since it is larger than the sum of its proper divisors (117591).

195945 is a wasteful number, since it uses less digits than its factorization.

195945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13071.

The product of its digits is 8100, while the sum is 33.

The square root of 195945 is about 442.6567518970. The cubic root of 195945 is about 58.0824234393.

The spelling of 195945 in words is "one hundred ninety-five thousand, nine hundred forty-five".