195954243 has 8 divisors (see below), whose sum is σ = 261347856. Its totient is φ = 130598400.

The previous prime is 195954229. The next prime is 195954263. The reversal of 195954243 is 342459591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 195954243 - 2⁶ = 195954179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 195954195 and 195954204.

It is not an unprimeable number, because it can be changed into a prime (195954263) 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 7 ways as a sum of consecutive naturals, for example, 6523 + ... + 20843.

It is an arithmetic number, because the mean of its divisors is an integer number (32668482).

Almost surely, 2^195954243 is an apocalyptic number.

195954243 is a deficient number, since it is larger than the sum of its proper divisors (65393613).

195954243 is a wasteful number, since it uses less digits than its factorization.

195954243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18885.

The product of its digits is 194400, while the sum is 42.

The square root of 195954243 is about 13998.3657260410. The cubic root of 195954243 is about 580.8333670137.

The spelling of 195954243 in words is "one hundred ninety-five million, nine hundred fifty-four thousand, two hundred forty-three".