245545617646027 has 8 divisors (see below), whose sum is σ = 260189008979616. Its totient is φ = 230924396476032.

The previous prime is 245545617645997. The next prime is 245545617646033. The reversal of 245545617646027 is 720646716545542.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 245545617646027 - 2⁷ = 245545617645899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245545617646027.

It is not an unprimeable number, because it can be changed into a prime (245545617640027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5542518088 + ... + 5542562389.

It is an arithmetic number, because the mean of its divisors is an integer number (32523626122452).

Almost surely, 2^{245545617646027} is an apocalyptic number.

245545617646027 is a deficient number, since it is larger than the sum of its proper divisors (14643391333589).

245545617646027 is a wasteful number, since it uses less digits than its factorization.

245545617646027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11085081797.

The product of its (nonzero) digits is 338688000, while the sum is 64.

The spelling of 245545617646027 in words is "two hundred forty-five trillion, five hundred forty-five billion, six hundred seventeen million, six hundred forty-six thousand, twenty-seven".