245661314522135 has 8 divisors (see below), whose sum is σ = 294793882854576. Its totient is φ = 196528847999040.

The previous prime is 245661314522111. The next prime is 245661314522137. The reversal of 245661314522135 is 531225413166542.

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

It is not a de Polignac number, because 245661314522135 - 2³² = 245657019554839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245661314522137) 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, 20039174 + ... + 29881283.

It is an arithmetic number, because the mean of its divisors is an integer number (36849235356822).

Almost surely, 2^{245661314522135} is an apocalyptic number.

245661314522135 is a deficient number, since it is larger than the sum of its proper divisors (49132568332441).

245661314522135 is an equidigital number, since it uses as much as digits as its factorization.

245661314522135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50904673.

The product of its digits is 5184000, while the sum is 50.

Adding to 245661314522135 its reverse (531225413166542), we get a palindrome (776886727688677).

The spelling of 245661314522135 in words is "two hundred forty-five trillion, six hundred sixty-one billion, three hundred fourteen million, five hundred twenty-two thousand, one hundred thirty-five".