80143205 has 8 divisors (see below), whose sum is σ = 96336000. Its totient is φ = 64005136.

The previous prime is 80143187. The next prime is 80143207. The reversal of 80143205 is 50234108.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80143205 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80143207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10385 + ... + 16374.

It is an arithmetic number, because the mean of its divisors is an integer number (12042000).

Almost surely, 2^80143205 is an apocalyptic number.

It is an amenable number.

80143205 is a deficient number, since it is larger than the sum of its proper divisors (16192795).

80143205 is a wasteful number, since it uses less digits than its factorization.

80143205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27363.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 80143205 is about 8952.2737335271. The cubic root of 80143205 is about 431.1438895973.

The spelling of 80143205 in words is "eighty million, one hundred forty-three thousand, two hundred five".