245323312204356 has 18 divisors (see below), whose sum is σ = 620122816961102. Its totient is φ = 81774437401440.

The previous prime is 245323312204351. The next prime is 245323312204367. The reversal of 245323312204356 is 653402213323542.

245323312204356 is a `hidden beast` number, since 2 + 4 + 5 + 3 + 2 + 331 + 220 + 43 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 186288922512900 + 59034389691456 = 13648770^2 + 7683384^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (245323312204351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3407268225025 + ... + 3407268225096.

Almost surely, 2^{245323312204356} is an apocalyptic number.

It is an amenable number.

245323312204356 is an abundant number, since it is smaller than the sum of its proper divisors (374799504756746).

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

245323312204356 is a wasteful number, since it uses less digits than its factorization.

245323312204356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6814536450131 (or 6814536450126 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 45.

Adding to 245323312204356 its reverse (653402213323542), we get a palindrome (898725525527898).

The spelling of 245323312204356 in words is "two hundred forty-five trillion, three hundred twenty-three billion, three hundred twelve million, two hundred four thousand, three hundred fifty-six".