242545042355255 has 8 divisors (see below), whose sum is σ = 291745390617024. Its totient is φ = 193575140690400.

The previous prime is 242545042355233. The next prime is 242545042355257. The reversal of 242545042355255 is 552553240545242.

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

It is not a de Polignac number, because 242545042355255 - 2³⁰ = 242543968613431 is a prime.

It is a super-2 number, since 2×242545042355255² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242545042355197 and 242545042355206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242545042355257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57611646911 + ... + 57611651120.

It is an arithmetic number, because the mean of its divisors is an integer number (36468173827128).

Almost surely, 2^{242545042355255} is an apocalyptic number.

242545042355255 is a deficient number, since it is larger than the sum of its proper divisors (49200348261769).

242545042355255 is a wasteful number, since it uses less digits than its factorization.

242545042355255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115223298457.

The product of its (nonzero) digits is 48000000, while the sum is 53.

The spelling of 242545042355255 in words is "two hundred forty-two trillion, five hundred forty-five billion, forty-two million, three hundred fifty-five thousand, two hundred fifty-five".