142402723656 has 32 divisors (see below), whose sum is σ = 356016091200. Its totient is φ = 47466336960.

The previous prime is 142402723627. The next prime is 142402723751. The reversal of 142402723656 is 656327204241.

142402723656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1645221 + ... + 1729611.

It is an arithmetic number, because the mean of its divisors is an integer number (11125502850).

Almost surely, 2^142402723656 is an apocalyptic number.

It is an amenable number.

142402723656 is an abundant number, since it is smaller than the sum of its proper divisors (213613367544).

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

142402723656 is a wasteful number, since it uses less digits than its factorization.

142402723656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154709 (or 154705 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

Adding to 142402723656 its reverse (656327204241), we get a palindrome (798729927897).

The spelling of 142402723656 in words is "one hundred forty-two billion, four hundred two million, seven hundred twenty-three thousand, six hundred fifty-six".