80280143 has 4 divisors (see below), whose sum is σ = 83770608. Its totient is φ = 76789680.

The previous prime is 80280133. The next prime is 80280163. The reversal of 80280143 is 34108208.

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

It is a cyclic number.

It is not a de Polignac number, because 80280143 - 2⁴ = 80280127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80280113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745198 + ... + 1745243.

It is an arithmetic number, because the mean of its divisors is an integer number (20942652).

Almost surely, 2^80280143 is an apocalyptic number.

80280143 is a deficient number, since it is larger than the sum of its proper divisors (3490465).

80280143 is a wasteful number, since it uses less digits than its factorization.

80280143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3490464.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 80280143 is about 8959.9186938275. The cubic root of 80280143 is about 431.3893102261.

The spelling of 80280143 in words is "eighty million, two hundred eighty thousand, one hundred forty-three".