195770143945 has 8 divisors (see below), whose sum is σ = 236236599360. Its totient is φ = 155741164080.

The previous prime is 195770143931. The next prime is 195770143967. The reversal of 195770143945 is 549341077591.

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

It is not a de Polignac number, because 195770143945 - 2¹⁵ = 195770111177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109367901 + ... + 109369690.

It is an arithmetic number, because the mean of its divisors is an integer number (29529574920).

Almost surely, 2^195770143945 is an apocalyptic number.

It is an amenable number.

195770143945 is a deficient number, since it is larger than the sum of its proper divisors (40466455415).

195770143945 is a wasteful number, since it uses less digits than its factorization.

195770143945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218737775.

The product of its (nonzero) digits is 4762800, while the sum is 55.

The spelling of 195770143945 in words is "one hundred ninety-five billion, seven hundred seventy million, one hundred forty-three thousand, nine hundred forty-five".