142221746635 has 8 divisors (see below), whose sum is σ = 170805650400. Its totient is φ = 113684361024.

The previous prime is 142221746621. The next prime is 142221746647. The reversal of 142221746635 is 536647122241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142221746635 - 2¹⁵ = 142221713867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142221746591 and 142221746600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11622810 + ... + 11635039.

It is an arithmetic number, because the mean of its divisors is an integer number (21350706300).

Almost surely, 2^142221746635 is an apocalyptic number.

142221746635 is a deficient number, since it is larger than the sum of its proper divisors (28583903765).

142221746635 is a wasteful number, since it uses less digits than its factorization.

142221746635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23259077.

The product of its digits is 483840, while the sum is 43.

Adding to 142221746635 its reverse (536647122241), we get a palindrome (678868868876).

The spelling of 142221746635 in words is "one hundred forty-two billion, two hundred twenty-one million, seven hundred forty-six thousand, six hundred thirty-five".