245224305 has 12 divisors (see below), whose sum is σ = 425055540. Its totient is φ = 130786272.

The previous prime is 245224289. The next prime is 245224339. The reversal of 245224305 is 503422542.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 118526769 + 126697536 = 10887^2 + 11256^2 .

It is not a de Polignac number, because 245224305 - 2⁴ = 245224289 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2724670 + ... + 2724759.

It is an arithmetic number, because the mean of its divisors is an integer number (35421295).

Almost surely, 2^245224305 is an apocalyptic number.

It is an amenable number.

245224305 is a deficient number, since it is larger than the sum of its proper divisors (179831235).

245224305 is a wasteful number, since it uses less digits than its factorization.

245224305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449440 (or 5449437 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 245224305 is about 15659.6393636635. The cubic root of 245224305 is about 625.9233753994.

Adding to 245224305 its reverse (503422542), we get a palindrome (748646847).

The spelling of 245224305 in words is "two hundred forty-five million, two hundred twenty-four thousand, three hundred five".