195153385 has 8 divisors (see below), whose sum is σ = 267638976. Its totient is φ = 133819440.

The previous prime is 195153377. The next prime is 195153397. The reversal of 195153385 is 583351591.

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

It is not a de Polignac number, because 195153385 - 2³ = 195153377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2787871 + ... + 2787940.

It is an arithmetic number, because the mean of its divisors is an integer number (33454872).

Almost surely, 2^195153385 is an apocalyptic number.

It is an amenable number.

195153385 is a deficient number, since it is larger than the sum of its proper divisors (72485591).

195153385 is an equidigital number, since it uses as much as digits as its factorization.

195153385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575823.

The product of its digits is 81000, while the sum is 40.

The square root of 195153385 is about 13969.7310281909. The cubic root of 195153385 is about 580.0410048299.

The spelling of 195153385 in words is "one hundred ninety-five million, one hundred fifty-three thousand, three hundred eighty-five".