8201143 has 4 divisors (see below), whose sum is σ = 8465728. Its totient is φ = 7936560.

The previous prime is 8201111. The next prime is 8201153. The reversal of 8201143 is 3411028.

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 8201143 - 2⁵ = 8201111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8201143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8201153) 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, 132246 + ... + 132307.

It is an arithmetic number, because the mean of its divisors is an integer number (2116432).

Almost surely, 2^8201143 is an apocalyptic number.

8201143 is a deficient number, since it is larger than the sum of its proper divisors (264585).

8201143 is a wasteful number, since it uses less digits than its factorization.

8201143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264584.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 8201143 is about 2863.7637821580. The cubic root of 8201143 is about 201.6623365719.

The spelling of 8201143 in words is "eight million, two hundred one thousand, one hundred forty-three".