255242144345 has 16 divisors (see below), whose sum is σ = 324382570128. Its totient is φ = 192137932800.

The previous prime is 255242144327. The next prime is 255242144383. The reversal of 255242144345 is 543441242552.

It can be written as a sum of positive squares in 8 ways, for example, as 55211370841 + 200030773504 = 234971^2 + 447248^2 .

It is not a de Polignac number, because 255242144345 - 2¹² = 255242140249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25745 + ... + 714945.

It is an arithmetic number, because the mean of its divisors is an integer number (20273910633).

Almost surely, 2^255242144345 is an apocalyptic number.

It is an amenable number.

255242144345 is a deficient number, since it is larger than the sum of its proper divisors (69140425783).

255242144345 is a wasteful number, since it uses less digits than its factorization.

255242144345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693580.

The product of its digits is 768000, while the sum is 41.

Adding to 255242144345 its reverse (543441242552), we get a palindrome (798683386897).

The spelling of 255242144345 in words is "two hundred fifty-five billion, two hundred forty-two million, one hundred forty-four thousand, three hundred forty-five".