195838045 has 24 divisors (see below), whose sum is σ = 269462376. Its totient is φ = 136101888.

The previous prime is 195838037. The next prime is 195838081. The reversal of 195838045 is 540838591.

It can be written as a sum of positive squares in 12 ways, for example, as 62504836 + 133333209 = 7906^2 + 11547^2 .

It is not a de Polignac number, because 195838045 - 2³ = 195838037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 195837992 and 195838010.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7549 + ... + 21181.

It is an arithmetic number, because the mean of its divisors is an integer number (11227599).

Almost surely, 2^195838045 is an apocalyptic number.

It is an amenable number.

195838045 is a deficient number, since it is larger than the sum of its proper divisors (73624331).

195838045 is a wasteful number, since it uses less digits than its factorization.

195838045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13681 (or 13668 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 195838045 is about 13994.2146975098. The cubic root of 195838045 is about 580.7185357492.

The spelling of 195838045 in words is "one hundred ninety-five million, eight hundred thirty-eight thousand, forty-five".