82304445 has 16 divisors (see below), whose sum is σ = 131916672. Its totient is φ = 43819200.

The previous prime is 82304437. The next prime is 82304449. The reversal of 82304445 is 54440328.

It is not a de Polignac number, because 82304445 - 2³ = 82304437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82304449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4720 + ... + 13670.

It is an arithmetic number, because the mean of its divisors is an integer number (8244792).

Almost surely, 2^82304445 is an apocalyptic number.

It is an amenable number.

82304445 is a deficient number, since it is larger than the sum of its proper divisors (49612227).

82304445 is a wasteful number, since it uses less digits than its factorization.

82304445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9572.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 82304445 is about 9072.1797270557. The cubic root of 82304445 is about 434.9851494468.

The spelling of 82304445 in words is "eighty-two million, three hundred four thousand, four hundred forty-five".