195469243 has 4 divisors (see below), whose sum is σ = 195639928. Its totient is φ = 195298560.

The previous prime is 195469237. The next prime is 195469273. The reversal of 195469243 is 342964591.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 195469243 - 2⁹ = 195468731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 195469243.

It is not an unprimeable number, because it can be changed into a prime (195469223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83613 + ... + 85918.

It is an arithmetic number, because the mean of its divisors is an integer number (48909982).

Almost surely, 2^195469243 is an apocalyptic number.

195469243 is a deficient number, since it is larger than the sum of its proper divisors (170685).

195469243 is a wasteful number, since it uses less digits than its factorization.

195469243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170684.

The product of its digits is 233280, while the sum is 43.

The square root of 195469243 is about 13981.0315427725. The cubic root of 195469243 is about 580.3537704999.

The spelling of 195469243 in words is "one hundred ninety-five million, four hundred sixty-nine thousand, two hundred forty-three".