142434243 has 24 divisors (see below), whose sum is σ = 242717696. Its totient is φ = 78764400.

The previous prime is 142434233. The next prime is 142434247. The reversal of 142434243 is 342434241.

It is a happy number.

It is not a de Polignac number, because 142434243 - 2¹⁰ = 142433219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142434247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34513 + ... + 38418.

Almost surely, 2^142434243 is an apocalyptic number.

142434243 is a deficient number, since it is larger than the sum of its proper divisors (100283453).

142434243 is a wasteful number, since it uses less digits than its factorization.

142434243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72975 (or 72972 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 142434243 is about 11934.5818108554. The cubic root of 142434243 is about 522.2416087684.

Adding to 142434243 its reverse (342434241), we get a palindrome (484868484).

The spelling of 142434243 in words is "one hundred forty-two million, four hundred thirty-four thousand, two hundred forty-three".