450504 has 24 divisors (see below), whose sum is σ = 1220310. Its totient is φ = 150144.

The previous prime is 450503. The next prime is 450529. The reversal of 450504 is 405054.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 248004 + 202500 = 498^2 + 450^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is not an unprimeable number, because it can be changed into a prime (450503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3057 + ... + 3200.

2⁴⁵⁰⁵⁰⁴ is an apocalyptic number.

It is an amenable number.

450504 is an abundant number, since it is smaller than the sum of its proper divisors (769806).

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

450504 is a wasteful number, since it uses less digits than its factorization.

450504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6269 (or 6262 counting only the distinct ones).

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

The square root of 450504 is about 671.1959475444. The cubic root of 450504 is about 76.6595414508.

Adding to 450504 its reverse (405054), we get a palindrome (855558).

It can be divided in two parts, 45050 and 4, that added together give a palindrome (45054).

The spelling of 450504 in words is "four hundred fifty thousand, five hundred four".