454252645522 has 16 divisors (see below), whose sum is σ = 733804427160. Its totient is φ = 209651726592.

The previous prime is 454252645519. The next prime is 454252645523. The reversal of 454252645522 is 225546252454.

It can be written as a sum of positive squares in 4 ways, for example, as 305288295841 + 148964349681 = 552529^2 + 385959^2 .

It is not an unprimeable number, because it can be changed into a prime (454252645523) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2393388 + ... + 2576200.

Almost surely, 2^454252645522 is an apocalyptic number.

454252645522 is a deficient number, since it is larger than the sum of its proper divisors (279551781638).

454252645522 is a wasteful number, since it uses less digits than its factorization.

454252645522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278397.

The product of its digits is 3840000, while the sum is 46.

Adding to 454252645522 its reverse (225546252454), we get a palindrome (679798897976).

The spelling of 454252645522 in words is "four hundred fifty-four billion, two hundred fifty-two million, six hundred forty-five thousand, five hundred twenty-two".