82142306 has 4 divisors (see below), whose sum is σ = 123213462. Its totient is φ = 41071152.

The previous prime is 82142287. The next prime is 82142321. The reversal of 82142306 is 60324128.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46799281 + 35343025 = 6841^2 + 5945^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20535575 + ... + 20535578.

Almost surely, 2^82142306 is an apocalyptic number.

82142306 is a deficient number, since it is larger than the sum of its proper divisors (41071156).

82142306 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 12 representation: 82142306 = (23614082)₁₂.

82142306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41071155.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 82142306 is about 9063.2392663992. The cubic root of 82142306 is about 434.6993227574.

The spelling of 82142306 in words is "eighty-two million, one hundred forty-two thousand, three hundred six".