803143 has 4 divisors (see below), whose sum is σ = 876168. Its totient is φ = 730120.

The previous prime is 803141. The next prime is 803171. The reversal of 803143 is 341308.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 803143 - 2¹ = 803141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 803143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36496 + ... + 36517.

It is an arithmetic number, because the mean of its divisors is an integer number (219042).

2⁸⁰³¹⁴³ is an apocalyptic number.

803143 is a deficient number, since it is larger than the sum of its proper divisors (73025).

803143 is a wasteful number, since it uses less digits than its factorization.

803143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73024.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 803143 is about 896.1824591008. The cubic root of 803143 is about 92.9531887591.

It can be divided in two parts, 803 and 143, that added together give a triangular number (946 = T₄₃).

The spelling of 803143 in words is "eight hundred three thousand, one hundred forty-three".