245603501056 has 99 divisors (see below), whose sum is σ = 522119551357. Its totient is φ = 115451248640.

The previous prime is 245603501053. The next prime is 245603501063. The reversal of 245603501056 is 650105306542.

The square root of 245603501056 is 495584.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 191213798400 + 54389702656 = 437280^2 + 233216^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245603501051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 269597241 + ... + 269598151.

Almost surely, 2^245603501056 is an apocalyptic number.

245603501056 is the 495584-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245603501056

245603501056 is an abundant number, since it is smaller than the sum of its proper divisors (276516050301).

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

245603501056 is an frugal number, since it uses more digits than its factorization.

245603501056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 245603501056 its reverse (650105306542), we get a palindrome (895708807598).

The spelling of 245603501056 in words is "two hundred forty-five billion, six hundred three million, five hundred one thousand, fifty-six".