2243143 has 4 divisors (see below), whose sum is σ = 2563600. Its totient is φ = 1922688.

The previous prime is 2243123. The next prime is 2243161. The reversal of 2243143 is 3413422.

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 2243143 - 2²¹ = 145991 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 2243143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243123) 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, 160218 + ... + 160231.

It is an arithmetic number, because the mean of its divisors is an integer number (640900).

2^2243143 is an apocalyptic number.

2243143 is a deficient number, since it is larger than the sum of its proper divisors (320457).

2243143 is an equidigital number, since it uses as much as digits as its factorization.

2243143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320456.

The product of its digits is 576, while the sum is 19.

The square root of 2243143 is about 1497.7125892507. The cubic root of 2243143 is about 130.9038200067.

Adding to 2243143 its reverse (3413422), we get a palindrome (5656565).

The spelling of 2243143 in words is "two million, two hundred forty-three thousand, one hundred forty-three".