245363615323241 has 4 divisors (see below), whose sum is σ = 245527958000772. Its totient is φ = 245199272645712.

The previous prime is 245363615323201. The next prime is 245363615323327. The reversal of 245363615323241 is 142323516363542.

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 155036839001641 + 90326776321600 = 12451379^2 + 9504040^2 .

It is a cyclic number.

It is not a de Polignac number, because 245363615323241 - 2¹⁴ = 245363615306857 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 245363615323241.

It is not an unprimeable number, because it can be changed into a prime (245363615323201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82171336526 + ... + 82171339511.

It is an arithmetic number, because the mean of its divisors is an integer number (61381989500193).

Almost surely, 2^{245363615323241} is an apocalyptic number.

It is an amenable number.

245363615323241 is a deficient number, since it is larger than the sum of its proper divisors (164342677531).

245363615323241 is a wasteful number, since it uses less digits than its factorization.

245363615323241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164342677530.

The product of its digits is 9331200, while the sum is 50.

The spelling of 245363615323241 in words is "two hundred forty-five trillion, three hundred sixty-three billion, six hundred fifteen million, three hundred twenty-three thousand, two hundred forty-one".