80143219 has 16 divisors (see below), whose sum is σ = 92086848. Its totient is φ = 69092352.

The previous prime is 80143207. The next prime is 80143229. The reversal of 80143219 is 91234108.

It is a happy number.

It is not a de Polignac number, because 80143219 - 2⁵ = 80143187 is a prime.

It is a super-2 number, since 2×80143219² = 12845871103363922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80143229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28954 + ... + 31600.

It is an arithmetic number, because the mean of its divisors is an integer number (5755428).

Almost surely, 2^80143219 is an apocalyptic number.

80143219 is a deficient number, since it is larger than the sum of its proper divisors (11943629).

80143219 is a wasteful number, since it uses less digits than its factorization.

80143219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 80143219 is about 8952.2745154514. The cubic root of 80143219 is about 431.1439147024.

The spelling of 80143219 in words is "eighty million, one hundred forty-three thousand, two hundred nineteen".