195142528 has 32 divisors (see below), whose sum is σ = 444299760. Its totient is φ = 83632128.

The previous prime is 195142523. The next prime is 195142529. The reversal of 195142528 is 825241591.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195142523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108001 + ... + 109792.

Almost surely, 2^195142528 is an apocalyptic number.

It is an amenable number.

195142528 is an abundant number, since it is smaller than the sum of its proper divisors (249157232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195142528 is an equidigital number, since it uses as much as digits as its factorization.

195142528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217814 (or 217802 counting only the distinct ones).

The product of its digits is 28800, while the sum is 37.

The square root of 195142528 is about 13969.3424326272. The cubic root of 195142528 is about 580.0302481252.

The spelling of 195142528 in words is "one hundred ninety-five million, one hundred forty-two thousand, five hundred twenty-eight".