142241644836 has 48 divisors (see below), whose sum is σ = 380670599680. Its totient is φ = 45884400480.

The previous prime is 142241644819. The next prime is 142241644837. The reversal of 142241644836 is 638446142241.

It is a happy number.

142241644836 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 4 + 164 + 483 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 142241644791 and 142241644800.

It is not an unprimeable number, because it can be changed into a prime (142241644837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21239431 + ... + 21246126.

Almost surely, 2^142241644836 is an apocalyptic number.

It is an amenable number.

142241644836 is an abundant number, since it is smaller than the sum of its proper divisors (238428954844).

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

142241644836 is a wasteful number, since it uses less digits than its factorization.

142241644836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42485601 (or 42485593 counting only the distinct ones).

The product of its digits is 884736, while the sum is 45.

The spelling of 142241644836 in words is "one hundred forty-two billion, two hundred forty-one million, six hundred forty-four thousand, eight hundred thirty-six".