245030756 has 12 divisors (see below), whose sum is σ = 428952300. Its totient is φ = 122472960.

The previous prime is 245030743. The next prime is 245030771. The reversal of 245030756 is 657030542.

It can be written as a sum of positive squares in 2 ways, for example, as 29528356 + 215502400 = 5434^2 + 14680^2 .

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 3 ways as a sum of consecutive naturals, for example, 4916 + ... + 22676.

It is an arithmetic number, because the mean of its divisors is an integer number (35746025).

Almost surely, 2^245030756 is an apocalyptic number.

It is an amenable number.

245030756 is a deficient number, since it is larger than the sum of its proper divisors (183921544).

245030756 is a wasteful number, since it uses less digits than its factorization.

245030756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21214 (or 21212 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 245030756 is about 15653.4582760488. The cubic root of 245030756 is about 625.7586571836.

The spelling of 245030756 in words is "two hundred forty-five million, thirty thousand, seven hundred fifty-six".