195412442 has 4 divisors (see below), whose sum is σ = 293118666. Its totient is φ = 97706220.

The previous prime is 195412423. The next prime is 195412471. The reversal of 195412442 is 244214591.

It is a Cunningham number, because it is equal to 13979²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 195412441 + 1 = 13979^2 + 1^2 .

It is a junction number, because it is equal to n+sod(n) for n = 195412399 and 195412408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48853109 + ... + 48853112.

Almost surely, 2^195412442 is an apocalyptic number.

195412442 is a deficient number, since it is larger than the sum of its proper divisors (97706224).

195412442 is an equidigital number, since it uses as much as digits as its factorization.

195412442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97706223.

The product of its digits is 11520, while the sum is 32.

The square root of 195412442 is about 13979.0000357679. Note that the first 4 decimals coincide. The cubic root of 195412442 is about 580.2975504563.

The spelling of 195412442 in words is "one hundred ninety-five million, four hundred twelve thousand, four hundred forty-two".