195142425 has 12 divisors (see below), whose sum is σ = 322635600. Its totient is φ = 104075920.

The previous prime is 195142357. The next prime is 195142457. The reversal of 195142425 is 524241591.

It is not a de Polignac number, because 195142425 - 2⁸ = 195142169 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1300875 + ... + 1301024.

It is an arithmetic number, because the mean of its divisors is an integer number (26886300).

Almost surely, 2^195142425 is an apocalyptic number.

195142425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195142425 is a deficient number, since it is larger than the sum of its proper divisors (127493175).

195142425 is a wasteful number, since it uses less digits than its factorization.

195142425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601912 (or 2601907 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 195142425 is about 13969.3387459822. The cubic root of 195142425 is about 580.0301460748.

The spelling of 195142425 in words is "one hundred ninety-five million, one hundred forty-two thousand, four hundred twenty-five".