195442 has 8 divisors (see below), whose sum is σ = 315756. Its totient is φ = 90192.

The previous prime is 195427. The next prime is 195443. The reversal of 195442 is 244591.

195442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 194481 + 961 = 441^2 + 31^2 .

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

It is not an unprimeable number, because it can be changed into a prime (195443) by changing a digit.

195442 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3733 + ... + 3784.

2¹⁹⁵⁴⁴² is an apocalyptic number.

195442 is a deficient number, since it is larger than the sum of its proper divisors (120314).

195442 is a wasteful number, since it uses less digits than its factorization.

195442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7532.

The product of its digits is 1440, while the sum is 25.

The square root of 195442 is about 442.0882264888. The cubic root of 195442 is about 58.0326807499.

The spelling of 195442 in words is "one hundred ninety-five thousand, four hundred forty-two".