242767774244745 has 12 divisors (see below), whose sum is σ = 420797475357636. Its totient is φ = 129476146263840.

The previous prime is 242767774244729. The next prime is 242767774244747. The reversal of 242767774244745 is 547442477767242.

242767774244745 is a `hidden beast` number, since 2 + 4 + 2 + 7 + 6 + 77 + 74 + 2 + 447 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 110026337550336 + 132741436694409 = 10489344^2 + 11521347^2 .

It is not a de Polignac number, because 242767774244745 - 2⁴ = 242767774244729 is a prime.

It is a super-3 number, since 3×242767774244745³ (a number of 44 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242767774244747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2697419713786 + ... + 2697419713875.

It is an arithmetic number, because the mean of its divisors is an integer number (35066456279803).

Almost surely, 2^{242767774244745} is an apocalyptic number.

It is an amenable number.

242767774244745 is a deficient number, since it is larger than the sum of its proper divisors (178029701112891).

242767774244745 is a wasteful number, since it uses less digits than its factorization.

242767774244745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5394839427672 (or 5394839427669 counting only the distinct ones).

The product of its digits is 4130488320, while the sum is 72.

The spelling of 242767774244745 in words is "two hundred forty-two trillion, seven hundred sixty-seven billion, seven hundred seventy-four million, two hundred forty-four thousand, seven hundred forty-five".