800143 has 2 divisors, whose sum is σ = 800144. Its totient is φ = 800142.

The previous prime is 800131. The next prime is 800159. The reversal of 800143 is 341008.

It is an a-pointer prime, because the next prime (800159) can be obtained adding 800143 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 800143 - 2¹³ = 791951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400071 + 400072.

It is an arithmetic number, because the mean of its divisors is an integer number (400072).

2⁸⁰⁰¹⁴³ is an apocalyptic number.

800143 is a deficient number, since it is larger than the sum of its proper divisors (1).

800143 is an equidigital number, since it uses as much as digits as its factorization.

800143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 800143 is about 894.5071268581. The cubic root of 800143 is about 92.8373075694.

It can be divided in two parts, 80014 and 3, that multiplied together give a palindrome (240042).

The spelling of 800143 in words is "eight hundred thousand, one hundred forty-three".