80043245 has 4 divisors (see below), whose sum is σ = 96051900. Its totient is φ = 64034592.

The previous prime is 80043239. The next prime is 80043287. The reversal of 80043245 is 54234008.

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

It can be written as a sum of positive squares in 2 ways, for example, as 62520649 + 17522596 = 7907^2 + 4186^2 .

It is a cyclic number.

It is not a de Polignac number, because 80043245 - 2¹⁸ = 79781101 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8004320 + ... + 8004329.

It is an arithmetic number, because the mean of its divisors is an integer number (24012975).

Almost surely, 2^80043245 is an apocalyptic number.

It is an amenable number.

80043245 is a deficient number, since it is larger than the sum of its proper divisors (16008655).

80043245 is a wasteful number, since it uses less digits than its factorization.

80043245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16008654.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 80043245 is about 8946.6890523813. The cubic root of 80043245 is about 430.9645644609.

The spelling of 80043245 in words is "eighty million, forty-three thousand, two hundred forty-five".