142304020442 has 8 divisors (see below), whose sum is σ = 215854413300. Its totient is φ = 70352549344.

The previous prime is 142304020403. The next prime is 142304020457. The reversal of 142304020442 is 244020403241.

It is a happy number.

142304020442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 136656648241 + 5647372201 = 369671^2 + 75149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399730217 + ... + 399730572.

Almost surely, 2^142304020442 is an apocalyptic number.

142304020442 is a deficient number, since it is larger than the sum of its proper divisors (73550392858).

142304020442 is an equidigital number, since it uses as much as digits as its factorization.

142304020442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799460880.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 142304020442 its reverse (244020403241), we get a palindrome (386324423683).

The spelling of 142304020442 in words is "one hundred forty-two billion, three hundred four million, twenty thousand, four hundred forty-two".