450223524 has 36 divisors (see below), whose sum is σ = 1140013420. Its totient is φ = 149817600.

The previous prime is 450223523. The next prime is 450223537. The reversal of 450223524 is 425322054.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 250905600 + 199317924 = 15840^2 + 14118^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (450223523) 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 11 ways as a sum of consecutive naturals, for example, 11232 + ... + 32040.

Almost surely, 2^450223524 is an apocalyptic number.

It is an amenable number.

450223524 is an abundant number, since it is smaller than the sum of its proper divisors (689789896).

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

450223524 is a wasteful number, since it uses less digits than its factorization.

450223524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21420 (or 21415 counting only the distinct ones).

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

The square root of 450223524 is about 21218.4712927204. The cubic root of 450223524 is about 766.4362917984.

Adding to 450223524 its reverse (425322054), we get a palindrome (875545578).

The spelling of 450223524 in words is "four hundred fifty million, two hundred twenty-three thousand, five hundred twenty-four".