245243413320200 has 48 divisors (see below), whose sum is σ = 570895745908500. Its totient is φ = 97976107704320.

The previous prime is 245243413320127. The next prime is 245243413320203. The reversal of 245243413320200 is 2023314342542.

It can be written as a sum of positive squares in 6 ways, for example, as 167733736854436 + 77509676465764 = 12951206^2 + 8803958^2 .

It is not an unprimeable number, because it can be changed into a prime (245243413320203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 757697945 + ... + 758021544.

Almost surely, 2^{245243413320200} is an apocalyptic number.

245243413320200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245243413320200 is an abundant number, since it is smaller than the sum of its proper divisors (325652332588300).

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

245243413320200 is a wasteful number, since it uses less digits than its factorization.

245243413320200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515720314 (or 1515720305 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 245243413320200 its reverse (2023314342542), we get a palindrome (247266727662742).

The spelling of 245243413320200 in words is "two hundred forty-five trillion, two hundred forty-three billion, four hundred thirteen million, three hundred twenty thousand, two hundred".