82145934 has 32 divisors (see below), whose sum is σ = 196590240. Its totient is φ = 25275456.

The previous prime is 82145929. The next prime is 82146037. The reversal of 82145934 is 43954128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57807 + ... + 59210.

It is an arithmetic number, because the mean of its divisors is an integer number (6143445).

Almost surely, 2^82145934 is an apocalyptic number.

82145934 is an abundant number, since it is smaller than the sum of its proper divisors (114444306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82145934 is a wasteful number, since it uses less digits than its factorization.

82145934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117041 (or 117035 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 82145934 is about 9063.4394133794. The cubic root of 82145934 is about 434.7057224881.

The spelling of 82145934 in words is "eighty-two million, one hundred forty-five thousand, nine hundred thirty-four".