80143071 has 8 divisors (see below), whose sum is σ = 107395200. Its totient is φ = 53159832.

The previous prime is 80143067. The next prime is 80143079. The reversal of 80143071 is 17034108.

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

It is not a de Polignac number, because 80143071 - 2² = 80143067 is a prime.

It is a super-2 number, since 2×80143071² = 12845823658622082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80143079) 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, 66525 + ... + 67718.

It is an arithmetic number, because the mean of its divisors is an integer number (13424400).

Almost surely, 2^80143071 is an apocalyptic number.

80143071 is a deficient number, since it is larger than the sum of its proper divisors (27252129).

80143071 is a wasteful number, since it uses less digits than its factorization.

80143071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134445.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 80143071 is about 8952.2662493918. The cubic root of 80143071 is about 431.1436493053.

Adding to 80143071 its reverse (17034108), we get a palindrome (97177179).

The spelling of 80143071 in words is "eighty million, one hundred forty-three thousand, seventy-one".