195298042 has 8 divisors (see below), whose sum is σ = 293098356. Its totient is φ = 97598592.

The previous prime is 195298031. The next prime is 195298097. The reversal of 195298042 is 240892591.

It can be written as a sum of positive squares in 2 ways, for example, as 192404641 + 2893401 = 13871^2 + 1701^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 195297986 and 195298004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20173 + ... + 28240.

Almost surely, 2^195298042 is an apocalyptic number.

195298042 is a deficient number, since it is larger than the sum of its proper divisors (97800314).

195298042 is a wasteful number, since it uses less digits than its factorization.

195298042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50432.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 195298042 is about 13974.9075846676. The cubic root of 195298042 is about 580.1842874555.

The spelling of 195298042 in words is "one hundred ninety-five million, two hundred ninety-eight thousand, forty-two".