142444423012 has 12 divisors (see below), whose sum is σ = 249321923200. Its totient is φ = 71209587816.

The previous prime is 142444423001. The next prime is 142444423031. The reversal of 142444423012 is 210324444241.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 3130512 + ... + 3175687.

Almost surely, 2^142444423012 is an apocalyptic number.

It is an amenable number.

142444423012 is a deficient number, since it is larger than the sum of its proper divisors (106877500188).

142444423012 is a wasteful number, since it uses less digits than its factorization.

142444423012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6311850 (or 6311848 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 142444423012 its reverse (210324444241), we get a palindrome (352768867253).

The spelling of 142444423012 in words is "one hundred forty-two billion, four hundred forty-four million, four hundred twenty-three thousand, twelve".