82152158 has 16 divisors (see below), whose sum is σ = 134611200. Its totient is φ = 37291800.

The previous prime is 82152137. The next prime is 82152209. The reversal of 82152158 is 85125128.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 17993 + ... + 22091.

It is an arithmetic number, because the mean of its divisors is an integer number (8413200).

Almost surely, 2^82152158 is an apocalyptic number.

82152158 is a deficient number, since it is larger than the sum of its proper divisors (52459042).

82152158 is a wasteful number, since it uses less digits than its factorization.

82152158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5023.

The product of its digits is 6400, while the sum is 32.

The square root of 82152158 is about 9063.7827643871. The cubic root of 82152158 is about 434.7167010802.

The spelling of 82152158 in words is "eighty-two million, one hundred fifty-two thousand, one hundred fifty-eight".