245734648224785 has 4 divisors (see below), whose sum is σ = 294881577869748. Its totient is φ = 196587718579824.

The previous prime is 245734648224781. The next prime is 245734648224787. The reversal of 245734648224785 is 587422846437542.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85462795562881 + 160271852661904 = 9244609^2 + 12659852^2 .

It is a cyclic number.

It is not a de Polignac number, because 245734648224785 - 2² = 245734648224781 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245734648224781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24573464822474 + ... + 24573464822483.

It is an arithmetic number, because the mean of its divisors is an integer number (73720394467437).

Almost surely, 2^{245734648224785} is an apocalyptic number.

It is an amenable number.

245734648224785 is a deficient number, since it is larger than the sum of its proper divisors (49146929644963).

245734648224785 is an equidigital number, since it uses as much as digits as its factorization.

245734648224785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49146929644962.

The product of its digits is 2890137600, while the sum is 71.

The spelling of 245734648224785 in words is "two hundred forty-five trillion, seven hundred thirty-four billion, six hundred forty-eight million, two hundred twenty-four thousand, seven hundred eighty-five".