245246135340225 has 24 divisors (see below), whose sum is σ = 423102897842112. Its totient is φ = 125111071940800.

The previous prime is 245246135340211. The next prime is 245246135340263. The reversal of 245246135340225 is 522043531642542.

It is not a de Polignac number, because 245246135340225 - 2⁴ = 245246135340209 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71085834606 + ... + 71085838055.

It is an arithmetic number, because the mean of its divisors is an integer number (17629287410088).

Almost surely, 2^{245246135340225} is an apocalyptic number.

245246135340225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245246135340225 is a deficient number, since it is larger than the sum of its proper divisors (177856762501887).

245246135340225 is a wasteful number, since it uses less digits than its factorization.

245246135340225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142171672697 (or 142171672692 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 48.

Adding to 245246135340225 its reverse (522043531642542), we get a palindrome (767289666982767).

The spelling of 245246135340225 in words is "two hundred forty-five trillion, two hundred forty-six billion, one hundred thirty-five million, three hundred forty thousand, two hundred twenty-five".