142204420144 has 40 divisors (see below), whose sum is σ = 280721929968. Its totient is φ = 69768314880.

The previous prime is 142204420121. The next prime is 142204420153. The reversal of 142204420144 is 441024402241.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17424 + ... + 533584.

Almost surely, 2^142204420144 is an apocalyptic number.

It is an amenable number.

142204420144 is a deficient number, since it is larger than the sum of its proper divisors (138517509824).

142204420144 is a wasteful number, since it uses less digits than its factorization.

142204420144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516493 (or 516487 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 142204420144 its reverse (441024402241), we get a palindrome (583228822385).

The spelling of 142204420144 in words is "one hundred forty-two billion, two hundred four million, four hundred twenty thousand, one hundred forty-four".