450522 has 32 divisors (see below), whose sum is σ = 1023360. Its totient is φ = 148716.

The previous prime is 450503. The next prime is 450529. The reversal of 450522 is 225054.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 450495 and 450504.

It is not an unprimeable number, because it can be changed into a prime (450529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4323 + ... + 4425.

It is an arithmetic number, because the mean of its divisors is an integer number (31980).

2⁴⁵⁰⁵²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511680).

450522 is an abundant number, since it is smaller than the sum of its proper divisors (572838).

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

450522 is an equidigital number, since it uses as much as digits as its factorization.

450522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 450522 is about 671.2093563114. The cubic root of 450522 is about 76.6605624209.

Adding to 450522 its reverse (225054), we get a palindrome (675576).

It can be divided in two parts, 45052 and 2, that added together give a palindrome (45054).

The spelling of 450522 in words is "four hundred fifty thousand, five hundred twenty-two".