4235143 has 4 divisors (see below), whose sum is σ = 4620168. Its totient is φ = 3850120.

The previous prime is 4235141. The next prime is 4235149. The reversal of 4235143 is 3415324.

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 4235143 - 2¹ = 4235141 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4235141) 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 in 3 ways as a sum of consecutive naturals, for example, 192496 + ... + 192517.

It is an arithmetic number, because the mean of its divisors is an integer number (1155042).

Almost surely, 2^4235143 is an apocalyptic number.

4235143 is a deficient number, since it is larger than the sum of its proper divisors (385025).

4235143 is a wasteful number, since it uses less digits than its factorization.

4235143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385024.

The product of its digits is 1440, while the sum is 22.

The square root of 4235143 is about 2057.9463063938. The cubic root of 4235143 is about 161.7916210188.

The spelling of 4235143 in words is "four million, two hundred thirty-five thousand, one hundred forty-three".