195742385 has 8 divisors (see below), whose sum is σ = 238199616. Its totient is φ = 154388080.

The previous prime is 195742381. The next prime is 195742387. The reversal of 195742385 is 583247591.

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

It is not a de Polignac number, because 195742385 - 2² = 195742381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195742381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275339 + ... + 276048.

It is an arithmetic number, because the mean of its divisors is an integer number (29774952).

Almost surely, 2^195742385 is an apocalyptic number.

It is an amenable number.

195742385 is a deficient number, since it is larger than the sum of its proper divisors (42457231).

195742385 is an equidigital number, since it uses as much as digits as its factorization.

195742385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551463.

The product of its digits is 302400, while the sum is 44.

The square root of 195742385 is about 13990.7964390881. The cubic root of 195742385 is about 580.6239668201.

The spelling of 195742385 in words is "one hundred ninety-five million, seven hundred forty-two thousand, three hundred eighty-five".