80445022045 has 8 divisors (see below), whose sum is σ = 99143054424. Its totient is φ = 62616665664.

The previous prime is 80445022037. The next prime is 80445022121. The reversal of 80445022045 is 54022054408.

It can be written as a sum of positive squares in 4 ways, for example, as 32471319204 + 47973702841 = 180198^2 + 219029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80445022045 - 2³ = 80445022037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80445022045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217418794 + ... + 217419163.

It is an arithmetic number, because the mean of its divisors is an integer number (12392881803).

Almost surely, 2^80445022045 is an apocalyptic number.

It is an amenable number.

80445022045 is a deficient number, since it is larger than the sum of its proper divisors (18698032379).

80445022045 is a wasteful number, since it uses less digits than its factorization.

80445022045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434837999.

The product of its (nonzero) digits is 51200, while the sum is 34.

The spelling of 80445022045 in words is "eighty billion, four hundred forty-five million, twenty-two thousand, forty-five".