195789042 has 32 divisors (see below), whose sum is σ = 438528000. Its totient is φ = 64746864.

The previous prime is 195789037. The next prime is 195789047. The reversal of 195789042 is 240987591.

195789042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (195789037) and next prime (195789047).

It is not an unprimeable number, because it can be changed into a prime (195789047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7417 + ... + 21132.

It is an arithmetic number, because the mean of its divisors is an integer number (13704000).

Almost surely, 2^195789042 is an apocalyptic number.

195789042 is an abundant number, since it is smaller than the sum of its proper divisors (242738958).

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

195789042 is a wasteful number, since it uses less digits than its factorization.

195789042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28687 (or 28681 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 195789042 is about 13992.4637573231. The cubic root of 195789042 is about 580.6700955117.

The spelling of 195789042 in words is "one hundred ninety-five million, seven hundred eighty-nine thousand, forty-two".