142400064556 has 24 divisors (see below), whose sum is σ = 250500978000. Its totient is φ = 70829325504.

The previous prime is 142400064551. The next prime is 142400064557. The reversal of 142400064556 is 655460004241.

It is not an unprimeable number, because it can be changed into a prime (142400064551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468990 + ... + 710458.

It is an arithmetic number, because the mean of its divisors is an integer number (10437540750).

Almost surely, 2^142400064556 is an apocalyptic number.

It is an amenable number.

142400064556 is a deficient number, since it is larger than the sum of its proper divisors (108100913444).

142400064556 is a wasteful number, since it uses less digits than its factorization.

142400064556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242241 (or 242239 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 142400064556 its reverse (655460004241), we get a palindrome (797860068797).

The spelling of 142400064556 in words is "one hundred forty-two billion, four hundred million, sixty-four thousand, five hundred fifty-six".