82145694 has 8 divisors (see below), whose sum is σ = 164291400. Its totient is φ = 27381896.

The previous prime is 82145671. The next prime is 82145731. The reversal of 82145694 is 49654128.

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

82145694 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6845469 + ... + 6845480.

It is an arithmetic number, because the mean of its divisors is an integer number (20536425).

Almost surely, 2^82145694 is an apocalyptic number.

82145694 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82145694 is a wasteful number, since it uses less digits than its factorization.

82145694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13690954.

The product of its digits is 69120, while the sum is 39.

The square root of 82145694 is about 9063.4261733629. The cubic root of 82145694 is about 434.7052991380.

The spelling of 82145694 in words is "eighty-two million, one hundred forty-five thousand, six hundred ninety-four".