450135224 has 64 divisors (see below), whose sum is σ = 1057190400. Its totient is φ = 174556800.

The previous prime is 450135181. The next prime is 450135227. The reversal of 450135224 is 422531054.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 450135193 and 450135202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450135227) 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 15 ways as a sum of consecutive naturals, for example, 139469 + ... + 142659.

It is an arithmetic number, because the mean of its divisors is an integer number (16518600).

Almost surely, 2^450135224 is an apocalyptic number.

450135224 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450135224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528595200).

450135224 is an abundant number, since it is smaller than the sum of its proper divisors (607055176).

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

450135224 is a wasteful number, since it uses less digits than its factorization.

450135224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444 (or 3440 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 450135224 is about 21216.3904564372. The cubic root of 450135224 is about 766.3861828001.

Adding to 450135224 its reverse (422531054), we get a palindrome (872666278).

The spelling of 450135224 in words is "four hundred fifty million, one hundred thirty-five thousand, two hundred twenty-four".