142320302434 has 16 divisors (see below), whose sum is σ = 214505426520. Its totient is φ = 70818877440.

The previous prime is 142320302417. The next prime is 142320302441. The reversal of 142320302434 is 434203023241.

It can be written as a sum of positive squares in 4 ways, for example, as 72649116225 + 69671186209 = 269535^2 + 263953^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653482 + ... + 843610.

Almost surely, 2^142320302434 is an apocalyptic number.

142320302434 is a deficient number, since it is larger than the sum of its proper divisors (72185124086).

142320302434 is a wasteful number, since it uses less digits than its factorization.

142320302434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191925.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 142320302434 its reverse (434203023241), we get a palindrome (576523325675).

The spelling of 142320302434 in words is "one hundred forty-two billion, three hundred twenty million, three hundred two thousand, four hundred thirty-four".