80445085 has 16 divisors (see below), whose sum is σ = 110592000. Its totient is φ = 55028736.

The previous prime is 80445083. The next prime is 80445089. The reversal of 80445085 is 58054408.

It is not a de Polignac number, because 80445085 - 2¹ = 80445083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80445085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80445083) 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 15 ways as a sum of consecutive naturals, for example, 13156 + ... + 18274.

It is an arithmetic number, because the mean of its divisors is an integer number (6912000).

Almost surely, 2^80445085 is an apocalyptic number.

It is an amenable number.

80445085 is a deficient number, since it is larger than the sum of its proper divisors (30146915).

80445085 is a wasteful number, since it uses less digits than its factorization.

80445085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580.

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 80445085 is about 8969.1184070677. The cubic root of 80445085 is about 431.6845494464.

The spelling of 80445085 in words is "eighty million, four hundred forty-five thousand, eighty-five".