82145195 has 16 divisors (see below), whose sum is σ = 111006720. Its totient is φ = 57813600.

The previous prime is 82145191. The next prime is 82145201. The reversal of 82145195 is 59154128.

It is not a de Polignac number, because 82145195 - 2² = 82145191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82145191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22385 + ... + 25794.

It is an arithmetic number, because the mean of its divisors is an integer number (6937920).

Almost surely, 2^82145195 is an apocalyptic number.

82145195 is a deficient number, since it is larger than the sum of its proper divisors (28861525).

82145195 is a wasteful number, since it uses less digits than its factorization.

82145195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48226.

The product of its digits is 14400, while the sum is 35.

The square root of 82145195 is about 9063.3986451000. The cubic root of 82145195 is about 434.7044189199.

The spelling of 82145195 in words is "eighty-two million, one hundred forty-five thousand, one hundred ninety-five".