82045242 has 12 divisors (see below), whose sum is σ = 177764730. Its totient is φ = 27348408.

The previous prime is 82045241. The next prime is 82045297. The reversal of 82045242 is 24254028.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 57927321 + 24117921 = 7611^2 + 4911^2 .

It is not an unprimeable number, because it can be changed into a prime (82045241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2279017 + ... + 2279052.

Almost surely, 2^82045242 is an apocalyptic number.

82045242 is an abundant number, since it is smaller than the sum of its proper divisors (95719488).

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

82045242 is a wasteful number, since it uses less digits than its factorization.

82045242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4558077 (or 4558074 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 82045242 is about 9057.8828652175. The cubic root of 82045242 is about 434.5280334932.

The spelling of 82045242 in words is "eighty-two million, forty-five thousand, two hundred forty-two".