195147655 has 8 divisors (see below), whose sum is σ = 236496384. Its totient is φ = 154572000.

The previous prime is 195147653. The next prime is 195147661. The reversal of 195147655 is 556741591.

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

It is not a de Polignac number, because 195147655 - 2¹ = 195147653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195147653) 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, 192711 + ... + 193720.

It is an arithmetic number, because the mean of its divisors is an integer number (29562048).

Almost surely, 2^195147655 is an apocalyptic number.

195147655 is a deficient number, since it is larger than the sum of its proper divisors (41348729).

195147655 is a wasteful number, since it uses less digits than its factorization.

195147655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386537.

The product of its digits is 189000, while the sum is 43.

The square root of 195147655 is about 13969.5259404176. The cubic root of 195147655 is about 580.0353278125.

The spelling of 195147655 in words is "one hundred ninety-five million, one hundred forty-seven thousand, six hundred fifty-five".