195153147 has 48 divisors (see below), whose sum is σ = 330071040. Its totient is φ = 108815616.

The previous prime is 195153143. The next prime is 195153181. The reversal of 195153147 is 741351591.

It is a happy number.

It is not a de Polignac number, because 195153147 - 2² = 195153143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195153143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 562228 + ... + 562574.

It is an arithmetic number, because the mean of its divisors is an integer number (6876480).

Almost surely, 2^195153147 is an apocalyptic number.

195153147 is a deficient number, since it is larger than the sum of its proper divisors (134917893).

195153147 is a wasteful number, since it uses less digits than its factorization.

195153147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 549 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 195153147 is about 13969.7225097709. The cubic root of 195153147 is about 580.0407690328.

The spelling of 195153147 in words is "one hundred ninety-five million, one hundred fifty-three thousand, one hundred forty-seven".