142223255561 has 8 divisors (see below), whose sum is σ = 149490140544. Its totient is φ = 135046642720.

The previous prime is 142223255549. The next prime is 142223255567. The reversal of 142223255561 is 165552322241.

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 142223255561 - 2⁶ = 142223255497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142223255567) 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, 22564805 + ... + 22571106.

It is an arithmetic number, because the mean of its divisors is an integer number (18686267568).

Almost surely, 2^142223255561 is an apocalyptic number.

It is an amenable number.

142223255561 is a deficient number, since it is larger than the sum of its proper divisors (7266884983).

142223255561 is a wasteful number, since it uses less digits than its factorization.

142223255561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45136071.

The product of its digits is 144000, while the sum is 38.

The spelling of 142223255561 in words is "one hundred forty-two billion, two hundred twenty-three million, two hundred fifty-five thousand, five hundred sixty-one".