197845341745 has 8 divisors (see below), whose sum is σ = 237943175400. Its totient is φ = 157923763200.

The previous prime is 197845341731. The next prime is 197845341751. The reversal of 197845341745 is 547143548791.

It can be written as a sum of positive squares in 4 ways, for example, as 3216137521 + 194629204224 = 56711^2 + 441168^2 .

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

It is not a de Polignac number, because 197845341745 - 2²³ = 197836953137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 197845341745.

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 7 ways as a sum of consecutive naturals, for example, 44061306 + ... + 44065795.

It is an arithmetic number, because the mean of its divisors is an integer number (29742896925).

Almost surely, 2^197845341745 is an apocalyptic number.

It is an amenable number.

197845341745 is a deficient number, since it is larger than the sum of its proper divisors (40097833655).

197845341745 is an equidigital number, since it uses as much as digits as its factorization.

197845341745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88127555.

The product of its digits is 16934400, while the sum is 58.

The spelling of 197845341745 in words is "one hundred ninety-seven billion, eight hundred forty-five million, three hundred forty-one thousand, seven hundred forty-five".