142442161652 has 24 divisors (see below), whose sum is σ = 286019334720. Its totient is φ = 60803424000.

The previous prime is 142442161637. The next prime is 142442161681. The reversal of 142442161652 is 256161244241.

142442161652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 10126877 + ... + 10140932.

It is an arithmetic number, because the mean of its divisors is an integer number (11917472280).

Almost surely, 2^142442161652 is an apocalyptic number.

It is an amenable number.

142442161652 is an abundant number, since it is smaller than the sum of its proper divisors (143577173068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142442161652 is a wasteful number, since it uses less digits than its factorization.

142442161652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20268071 (or 20268069 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The spelling of 142442161652 in words is "one hundred forty-two billion, four hundred forty-two million, one hundred sixty-one thousand, six hundred fifty-two".