195039152 has 160 divisors (see below), whose sum is σ = 501396480. Its totient is φ = 71285760.

The previous prime is 195039151. The next prime is 195039157. The reversal of 195039152 is 251930591.

It is not an unprimeable number, because it can be changed into a prime (195039151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1893533 + ... + 1893635.

It is an arithmetic number, because the mean of its divisors is an integer number (3133728).

Almost surely, 2^195039152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195039152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250698240).

195039152 is an abundant number, since it is smaller than the sum of its proper divisors (306357328).

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

195039152 is a wasteful number, since it uses less digits than its factorization.

195039152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 195039152 is about 13965.6418398869. The cubic root of 195039152 is about 579.9278071064.

The spelling of 195039152 in words is "one hundred ninety-five million, thirty-nine thousand, one hundred fifty-two".