195645498 has 32 divisors (see below), whose sum is σ = 409522176. Its totient is φ = 62193648.

The previous prime is 195645497. The next prime is 195645511. The reversal of 195645498 is 894546591.

It is a self number, because there is not a number n which added to its sum of digits gives 195645498.

It is not an unprimeable number, because it can be changed into a prime (195645497) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 48715 + ... + 52577.

It is an arithmetic number, because the mean of its divisors is an integer number (12797568).

Almost surely, 2^195645498 is an apocalyptic number.

195645498 is an abundant number, since it is smaller than the sum of its proper divisors (213876678).

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

195645498 is a wasteful number, since it uses less digits than its factorization.

195645498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4258.

The product of its digits is 1555200, while the sum is 51.

The square root of 195645498 is about 13987.3334842635. Note that the first 3 decimals coincide. The cubic root of 195645498 is about 580.5281534745.

The spelling of 195645498 in words is "one hundred ninety-five million, six hundred forty-five thousand, four hundred ninety-eight".