142230360434 has 4 divisors (see below), whose sum is σ = 213345540654. Its totient is φ = 71115180216.

The previous prime is 142230360431. The next prime is 142230360487. The reversal of 142230360434 is 434063032241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434063032241 = 15739 ⋅27578819.

It can be written as a sum of positive squares in only one way, i.e., 105095914225 + 37134446209 = 324185^2 + 192703^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142230360434.

It is not an unprimeable number, because it can be changed into a prime (142230360431) 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 as a sum of consecutive naturals, namely, 35557590107 + ... + 35557590110.

Almost surely, 2^142230360434 is an apocalyptic number.

142230360434 is a deficient number, since it is larger than the sum of its proper divisors (71115180220).

142230360434 is an equidigital number, since it uses as much as digits as its factorization.

142230360434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71115180219.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 142230360434 its reverse (434063032241), we get a palindrome (576293392675).

The spelling of 142230360434 in words is "one hundred forty-two billion, two hundred thirty million, three hundred sixty thousand, four hundred thirty-four".