245235305205 has 96 divisors (see below), whose sum is σ = 473723572608. Its totient is φ = 116356262400.

The previous prime is 245235305191. The next prime is 245235305257. The reversal of 245235305205 is 502503532542.

245235305205 is a `hidden beast` number, since 24 + 52 + 3 + 530 + 52 + 0 + 5 = 666.

It is not a de Polignac number, because 245235305205 - 2³³ = 236645370613 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 245235305205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5927802 + ... + 5969028.

It is an arithmetic number, because the mean of its divisors is an integer number (4934620548).

Almost surely, 2^245235305205 is an apocalyptic number.

It is an amenable number.

245235305205 is a deficient number, since it is larger than the sum of its proper divisors (228488267403).

245235305205 is a wasteful number, since it uses less digits than its factorization.

245235305205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41507 (or 41504 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

Adding to 245235305205 its reverse (502503532542), we get a palindrome (747738837747).

The spelling of 245235305205 in words is "two hundred forty-five billion, two hundred thirty-five million, three hundred five thousand, two hundred five".