242776623245142 has 64 divisors (see below), whose sum is σ = 563315866882560. Its totient is φ = 68315440317696.

The previous prime is 242776623245137. The next prime is 242776623245153. The reversal of 242776623245142 is 241542326677242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4878834 + ... + 22568922.

It is an arithmetic number, because the mean of its divisors is an integer number (8801810420040).

Almost surely, 2^{242776623245142} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242776623245142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281657933441280).

242776623245142 is an abundant number, since it is smaller than the sum of its proper divisors (320539243637418).

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

242776623245142 is a wasteful number, since it uses less digits than its factorization.

242776623245142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17695045.

The product of its digits is 54190080, while the sum is 57.

The spelling of 242776623245142 in words is "two hundred forty-two trillion, seven hundred seventy-six billion, six hundred twenty-three million, two hundred forty-five thousand, one hundred forty-two".