454500 has 72 divisors (see below), whose sum is σ = 1447992. Its totient is φ = 120000.

The previous prime is 454483. The next prime is 454501. The reversal of 454500 is 5454.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2916 + 451584 = 54^2 + 672^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454501) by changing a digit.

454500 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 23 ways as a sum of consecutive naturals, for example, 4450 + ... + 4550.

It is an arithmetic number, because the mean of its divisors is an integer number (20111).

2⁴⁵⁴⁵⁰⁰ 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 454500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723996).

454500 is an abundant number, since it is smaller than the sum of its proper divisors (993492).

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

454500 is a wasteful number, since it uses less digits than its factorization.

454500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 111 counting only the distinct ones).

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

The square root of 454500 is about 674.1661516273. The cubic root of 454500 is about 76.8855329609.

Adding to 454500 its reverse (5454), we get a palindrome (459954).

It can be divided in two parts, 45 and 4500, that multiplied together give a square (202500 = 450²).

The spelling of 454500 in words is "four hundred fifty-four thousand, five hundred".