142430014442 has 4 divisors (see below), whose sum is σ = 213645021666. Its totient is φ = 71215007220.

The previous prime is 142430014423. The next prime is 142430014451. The reversal of 142430014442 is 244410034241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244410034241 = 113 ⋅2162920657.

It can be written as a sum of positive squares in only one way, i.e., 102964616161 + 39465398281 = 320881^2 + 198659^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35607503609 + ... + 35607503612.

Almost surely, 2^142430014442 is an apocalyptic number.

142430014442 is a deficient number, since it is larger than the sum of its proper divisors (71215007224).

142430014442 is an equidigital number, since it uses as much as digits as its factorization.

142430014442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71215007223.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 142430014442 its reverse (244410034241), we get a palindrome (386840048683).

The spelling of 142430014442 in words is "one hundred forty-two billion, four hundred thirty million, fourteen thousand, four hundred forty-two".