245323520302305 has 32 divisors (see below), whose sum is σ = 394256008137600. Its totient is φ = 130259822787072.

The previous prime is 245323520302261. The next prime is 245323520302309. The reversal of 245323520302305 is 503203025323542.

It is not a de Polignac number, because 245323520302305 - 2¹⁸ = 245323520040161 is a prime.

It is a super-2 number, since 2×245323520302305² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245323520302309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53681941 + ... + 58072349.

It is an arithmetic number, because the mean of its divisors is an integer number (12320500254300).

Almost surely, 2^{245323520302305} is an apocalyptic number.

It is an amenable number.

245323520302305 is a deficient number, since it is larger than the sum of its proper divisors (148932487835295).

245323520302305 is a wasteful number, since it uses less digits than its factorization.

245323520302305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406913.

The product of its (nonzero) digits is 648000, while the sum is 39.

Adding to 245323520302305 its reverse (503203025323542), we get a palindrome (748526545625847).

The spelling of 245323520302305 in words is "two hundred forty-five trillion, three hundred twenty-three billion, five hundred twenty million, three hundred two thousand, three hundred five".