142430243 has 4 divisors (see below), whose sum is σ = 143337600. Its totient is φ = 141522888.

The previous prime is 142430231. The next prime is 142430261. The reversal of 142430243 is 342034241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342034241 = 127 ⋅2693183.

It is a cyclic number.

It is not a de Polignac number, because 142430243 - 2¹⁰ = 142429219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142430203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453443 + ... + 453756.

It is an arithmetic number, because the mean of its divisors is an integer number (35834400).

Almost surely, 2^142430243 is an apocalyptic number.

142430243 is a deficient number, since it is larger than the sum of its proper divisors (907357).

142430243 is an equidigital number, since it uses as much as digits as its factorization.

142430243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907356.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 142430243 is about 11934.4142294459. The cubic root of 142430243 is about 522.2367199955.

Adding to 142430243 its reverse (342034241), we get a palindrome (484464484).

The spelling of 142430243 in words is "one hundred forty-two million, four hundred thirty thousand, two hundred forty-three".