142402217766 has 32 divisors (see below), whose sum is σ = 286824537600. Its totient is φ = 47131704576.

The previous prime is 142402217761. The next prime is 142402217767. The reversal of 142402217766 is 667712204241.

142402217766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142402217761) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 459030 + ... + 703926.

It is an arithmetic number, because the mean of its divisors is an integer number (8963266800).

Almost surely, 2^142402217766 is an apocalyptic number.

142402217766 is an abundant number, since it is smaller than the sum of its proper divisors (144422319834).

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

142402217766 is a wasteful number, since it uses less digits than its factorization.

142402217766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245588.

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 142402217766 in words is "one hundred forty-two billion, four hundred two million, two hundred seventeen thousand, seven hundred sixty-six".