245711341505745 has 48 divisors (see below), whose sum is σ = 426090658960512. Its totient is φ = 130987288062720.

The previous prime is 245711341505741. The next prime is 245711341505753. The reversal of 245711341505745 is 547505143117542.

It is a happy number.

245711341505745 is a `hidden beast` number, since 2 + 4 + 5 + 7 + 1 + 13 + 4 + 1 + 50 + 574 + 5 = 666.

It is not a de Polignac number, because 245711341505745 - 2² = 245711341505741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245711341505691 and 245711341505700.

It is not an unprimeable number, because it can be changed into a prime (245711341505741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1494121494 + ... + 1494285936.

It is an arithmetic number, because the mean of its divisors is an integer number (8876888728344).

Almost surely, 2^{245711341505745} is an apocalyptic number.

It is an amenable number.

245711341505745 is a deficient number, since it is larger than the sum of its proper divisors (180379317454767).

245711341505745 is a wasteful number, since it uses less digits than its factorization.

245711341505745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179142 (or 179139 counting only the distinct ones).

The product of its (nonzero) digits is 11760000, while the sum is 54.

The spelling of 245711341505745 in words is "two hundred forty-five trillion, seven hundred eleven billion, three hundred forty-one million, five hundred five thousand, seven hundred forty-five".