4142243 has 4 divisors (see below), whose sum is σ = 4734000. Its totient is φ = 3550488.

The previous prime is 4142227. The next prime is 4142267. The reversal of 4142243 is 3422414.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3422414 = 2 ⋅1711207.

It is a cyclic number.

It is not a de Polignac number, because 4142243 - 2⁴ = 4142227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4142293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295868 + ... + 295881.

It is an arithmetic number, because the mean of its divisors is an integer number (1183500).

Almost surely, 2^4142243 is an apocalyptic number.

4142243 is a deficient number, since it is larger than the sum of its proper divisors (591757).

4142243 is an equidigital number, since it uses as much as digits as its factorization.

4142243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591756.

The product of its digits is 768, while the sum is 20.

The square root of 4142243 is about 2035.2501074807. The cubic root of 4142243 is about 160.5998705559.

Adding to 4142243 its reverse (3422414), we get a palindrome (7564657).

The spelling of 4142243 in words is "four million, one hundred forty-two thousand, two hundred forty-three".