245305253024 has 24 divisors (see below), whose sum is σ = 520094311380. Its totient is φ = 113217808896.

The previous prime is 245305253023. The next prime is 245305253057. The reversal of 245305253024 is 420352503542.

It can be written as a sum of positive squares in 2 ways, for example, as 183338112400 + 61967140624 = 428180^2 + 248932^2 .

It is a super-2 number, since 2×245305253024² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245305253023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294837629 + ... + 294838460.

Almost surely, 2^245305253024 is an apocalyptic number.

It is an amenable number.

245305253024 is an abundant number, since it is smaller than the sum of its proper divisors (274789058356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245305253024 is a wasteful number, since it uses less digits than its factorization.

245305253024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589676112 (or 589676104 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 245305253024 its reverse (420352503542), we get a palindrome (665657756566).

The spelling of 245305253024 in words is "two hundred forty-five billion, three hundred five million, two hundred fifty-three thousand, twenty-four".