82155342 has 16 divisors (see below), whose sum is σ = 167807232. Its totient is φ = 26802360.

The previous prime is 82155341. The next prime is 82155343. The reversal of 82155342 is 24355128.

It is an interprime number because it is at equal distance from previous prime (82155341) and next prime (82155343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82155341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145384 + ... + 145947.

It is an arithmetic number, because the mean of its divisors is an integer number (10487952).

Almost surely, 2^82155342 is an apocalyptic number.

82155342 is an abundant number, since it is smaller than the sum of its proper divisors (85651890).

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

82155342 is a wasteful number, since it uses less digits than its factorization.

82155342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291383.

The product of its digits is 9600, while the sum is 30.

The square root of 82155342 is about 9063.9584067889. The cubic root of 82155342 is about 434.7223171635.

The spelling of 82155342 in words is "eighty-two million, one hundred fifty-five thousand, three hundred forty-two".