142242443 has 10 divisors (see below), whose sum is σ = 165942444. Its totient is φ = 121920036.

The previous prime is 142242433. The next prime is 142242461. The reversal of 142242443 is 344242241.

It is a happy number.

142242443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142242443 - 2¹⁶ = 142176907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142242433) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 27221 + ... + 32022.

Almost surely, 2^142242443 is an apocalyptic number.

142242443 is a deficient number, since it is larger than the sum of its proper divisors (23700001).

142242443 is an frugal number, since it uses more digits than its factorization.

142242443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59271 (or 59250 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 142242443 is about 11926.5436317485. The cubic root of 142242443 is about 522.0070890050.

Adding to 142242443 its reverse (344242241), we get a palindrome (486484684).

The spelling of 142242443 in words is "one hundred forty-two million, two hundred forty-two thousand, four hundred forty-three".