4142543 has 8 divisors (see below), whose sum is σ = 4452912. Its totient is φ = 3839616.

The previous prime is 4142521. The next prime is 4142569. The reversal of 4142543 is 3452414.

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 4142543 - 2⁸ = 4142287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4142573) 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, 680 + ... + 2957.

It is an arithmetic number, because the mean of its divisors is an integer number (556614).

Almost surely, 2^4142543 is an apocalyptic number.

4142543 is a deficient number, since it is larger than the sum of its proper divisors (310369).

4142543 is a wasteful number, since it uses less digits than its factorization.

4142543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3721.

The product of its digits is 1920, while the sum is 23.

The square root of 4142543 is about 2035.3238071619. The cubic root of 4142543 is about 160.6037475856.

Adding to 4142543 its reverse (3452414), we get a palindrome (7594957).

The spelling of 4142543 in words is "four million, one hundred forty-two thousand, five hundred forty-three".