142425421346 has 16 divisors (see below), whose sum is σ = 230137510848. Its totient is φ = 65716045200.

The previous prime is 142425421321. The next prime is 142425421379. The reversal of 142425421346 is 643124524241.

It is a Curzon number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 688820 + ... + 871391.

It is an arithmetic number, because the mean of its divisors is an integer number (14383594428).

Almost surely, 2^142425421346 is an apocalyptic number.

142425421346 is a deficient number, since it is larger than the sum of its proper divisors (87712089502).

142425421346 is a wasteful number, since it uses less digits than its factorization.

142425421346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563737.

The product of its digits is 184320, while the sum is 38.

Adding to 142425421346 its reverse (643124524241), we get a palindrome (785549945587).

The spelling of 142425421346 in words is "one hundred forty-two billion, four hundred twenty-five million, four hundred twenty-one thousand, three hundred forty-six".