82239152 has 20 divisors (see below), whose sum is σ = 159480120. Its totient is φ = 41083008.

The previous prime is 82239133. The next prime is 82239181. The reversal of 82239152 is 25193228.

It is a happy 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, 30599 + ... + 33177.

It is an arithmetic number, because the mean of its divisors is an integer number (7974006).

Almost surely, 2^82239152 is an apocalyptic number.

It is an amenable number.

82239152 is a deficient number, since it is larger than the sum of its proper divisors (77240968).

82239152 is a wasteful number, since it uses less digits than its factorization.

82239152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4580 (or 4574 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 82239152 is about 9068.5804842875. The cubic root of 82239152 is about 434.8700928862.

The spelling of 82239152 in words is "eighty-two million, two hundred thirty-nine thousand, one hundred fifty-two".