82061142 has 16 divisors (see below), whose sum is σ = 173776752. Its totient is φ = 25744640.

The previous prime is 82061117. The next prime is 82061149. The reversal of 82061142 is 24116028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82061149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402159 + ... + 402362.

It is an arithmetic number, because the mean of its divisors is an integer number (10861047).

Almost surely, 2^82061142 is an apocalyptic number.

82061142 is an abundant number, since it is smaller than the sum of its proper divisors (91715610).

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

82061142 is a wasteful number, since it uses less digits than its factorization.

82061142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804543.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 82061142 is about 9058.7605112399. The cubic root of 82061142 is about 434.5561015416.

The spelling of 82061142 in words is "eighty-two million, sixty-one thousand, one hundred forty-two".