814143 has 8 divisors (see below), whose sum is σ = 1184256. Its totient is φ = 493400.

The previous prime is 814139. The next prime is 814171. The reversal of 814143 is 341418.

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

It is a cyclic number.

It is not a de Polignac number, because 814143 - 2² = 814139 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814183) 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, 12303 + ... + 12368.

It is an arithmetic number, because the mean of its divisors is an integer number (148032).

2⁸¹⁴¹⁴³ is an apocalyptic number.

814143 is a deficient number, since it is larger than the sum of its proper divisors (370113).

814143 is a wasteful number, since it uses less digits than its factorization.

814143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24685.

The product of its digits is 384, while the sum is 21.

The square root of 814143 is about 902.2987310198. The cubic root of 814143 is about 93.3756341701.

It can be divided in two parts, 81 and 4143, that added together give a palindrome (4224).

The spelling of 814143 in words is "eight hundred fourteen thousand, one hundred forty-three".