80147 has 2 divisors, whose sum is σ = 80148. Its totient is φ = 80146.

The previous prime is 80141. The next prime is 80149. The reversal of 80147 is 74108.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80147 is a prime.

Together with 80149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80141) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40073 + 40074.

It is an arithmetic number, because the mean of its divisors is an integer number (40074).

2⁸⁰¹⁴⁷ is an apocalyptic number.

80147 is a deficient number, since it is larger than the sum of its proper divisors (1).

80147 is an equidigital number, since it uses as much as digits as its factorization.

80147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 80147 is about 283.1024549523. The cubic root of 80147 is about 43.1150694771.

It can be divided in two parts, 801 and 47, that added together give a palindrome (848).

The spelling of 80147 in words is "eighty thousand, one hundred forty-seven".