82181482 has 16 divisors (see below), whose sum is σ = 126158472. Its totient is φ = 40135680.

The previous prime is 82181467. The next prime is 82181483. The reversal of 82181482 is 28418128.

It can be written as a sum of positive squares in 4 ways, for example, as 81558961 + 622521 = 9031^2 + 789^2 .

It is not an unprimeable number, because it can be changed into a prime (82181483) 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 7 ways as a sum of consecutive naturals, for example, 23938 + ... + 27154.

Almost surely, 2^82181482 is an apocalyptic number.

82181482 is a deficient number, since it is larger than the sum of its proper divisors (43976990).

82181482 is a wasteful number, since it uses less digits than its factorization.

82181482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3513.

The product of its digits is 8192, while the sum is 34.

The square root of 82181482 is about 9065.4002669491. The cubic root of 82181482 is about 434.7684185940.

The spelling of 82181482 in words is "eighty-two million, one hundred eighty-one thousand, four hundred eighty-two".