245446002135605 has 8 divisors (see below), whose sum is σ = 294570804595032. Its totient is φ = 196333067020288.

The previous prime is 245446002135571. The next prime is 245446002135611. The reversal of 245446002135605 is 506531200644542.

It can be written as a sum of positive squares in 4 ways, for example, as 74510198261041 + 170935803874564 = 8631929^2 + 13074242^2 .

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 245446002135605 - 2²⁸ = 245445733700149 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 245446002135605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2966790524 + ... + 2966873253.

It is an arithmetic number, because the mean of its divisors is an integer number (36821350574379).

Almost surely, 2^{245446002135605} is an apocalyptic number.

It is an amenable number.

245446002135605 is a deficient number, since it is larger than the sum of its proper divisors (49124802459427).

245446002135605 is an equidigital number, since it uses as much as digits as its factorization.

245446002135605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5933672055.

The product of its (nonzero) digits is 3456000, while the sum is 47.

The spelling of 245446002135605 in words is "two hundred forty-five trillion, four hundred forty-six billion, two million, one hundred thirty-five thousand, six hundred five".