82556142 has 8 divisors (see below), whose sum is σ = 165112296. Its totient is φ = 27518712.

The previous prime is 82556137. The next prime is 82556147. The reversal of 82556142 is 24165528.

It is an interprime number because it is at equal distance from previous prime (82556137) and next prime (82556147).

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

82556142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82556147) 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 3 ways as a sum of consecutive naturals, for example, 6879673 + ... + 6879684.

It is an arithmetic number, because the mean of its divisors is an integer number (20639037).

Almost surely, 2^82556142 is an apocalyptic number.

82556142 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.

82556142 is a wasteful number, since it uses less digits than its factorization.

82556142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13759362.

The product of its digits is 19200, while the sum is 33.

The square root of 82556142 is about 9086.0410520754. The cubic root of 82556142 is about 435.4281107020.

The spelling of 82556142 in words is "eighty-two million, five hundred fifty-six thousand, one hundred forty-two".