450500 has 48 divisors (see below), whose sum is σ = 1061424. Its totient is φ = 166400.

The previous prime is 450493. The next prime is 450503. The reversal of 450500 is 5054.

It can be written as a sum of positive squares in 8 ways, for example, as 51076 + 399424 = 226^2 + 632^2 .

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

450500 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8474 + ... + 8526.

It is an arithmetic number, because the mean of its divisors is an integer number (22113).

2⁴⁵⁰⁵⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530712).

450500 is an abundant number, since it is smaller than the sum of its proper divisors (610924).

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

450500 is a wasteful number, since it uses less digits than its factorization.

450500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 450500 is about 671.1929677820. The cubic root of 450500 is about 76.6593145649.

Adding to 450500 its reverse (5054), we get a palindrome (455554).

The spelling of 450500 in words is "four hundred fifty thousand, five hundred".