195841045 has 4 divisors (see below), whose sum is σ = 235009260. Its totient is φ = 156672832.

The previous prime is 195841027. The next prime is 195841069. The reversal of 195841045 is 540148591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540148591 = 10837 ⋅49843.

It can be written as a sum of positive squares in 2 ways, for example, as 54730404 + 141110641 = 7398^2 + 11879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195841045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 195840995 and 195841013.

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 3 ways as a sum of consecutive naturals, for example, 19584100 + ... + 19584109.

It is an arithmetic number, because the mean of its divisors is an integer number (58752315).

Almost surely, 2^195841045 is an apocalyptic number.

It is an amenable number.

195841045 is a deficient number, since it is larger than the sum of its proper divisors (39168215).

195841045 is an equidigital number, since it uses as much as digits as its factorization.

195841045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39168214.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 195841045 is about 13994.3218842501. The cubic root of 195841045 is about 580.7215010340.

The spelling of 195841045 in words is "one hundred ninety-five million, eight hundred forty-one thousand, forty-five".