245240043225 has 48 divisors (see below), whose sum is σ = 424371600384. Its totient is φ = 124729704000.

The previous prime is 245240043221. The next prime is 245240043227. The reversal of 245240043225 is 522340042542.

245240043225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245240043225 - 2² = 245240043221 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245240043221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 356220 + ... + 785730.

It is an arithmetic number, because the mean of its divisors is an integer number (8841075008).

Almost surely, 2^245240043225 is an apocalyptic number.

245240043225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245240043225 is a deficient number, since it is larger than the sum of its proper divisors (179131557159).

245240043225 is a wasteful number, since it uses less digits than its factorization.

245240043225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429878 (or 429873 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 245240043225 its reverse (522340042542), we get a palindrome (767580085767).

The spelling of 245240043225 in words is "two hundred forty-five billion, two hundred forty million, forty-three thousand, two hundred twenty-five".