195142 has 4 divisors (see below), whose sum is σ = 292716. Its totient is φ = 97570.

The previous prime is 195137. The next prime is 195157. The reversal of 195142 is 241591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241591 = 7 ⋅34513.

It is a congruent number.

It is an unprimeable number.

195142 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 as a sum of consecutive naturals, namely, 48784 + ... + 48787.

It is an arithmetic number, because the mean of its divisors is an integer number (73179).

2¹⁹⁵¹⁴² is an apocalyptic number.

195142 is a deficient number, since it is larger than the sum of its proper divisors (97574).

195142 is an equidigital number, since it uses as much as digits as its factorization.

195142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97573.

The product of its digits is 360, while the sum is 22.

The square root of 195142 is about 441.7487973951. The cubic root of 195142 is about 58.0029724993.

The spelling of 195142 in words is "one hundred ninety-five thousand, one hundred forty-two".