453000 has 64 divisors (see below), whose sum is σ = 1422720. Its totient is φ = 120000.

The previous prime is 452989. The next prime is 453023. The reversal of 453000 is 354.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

453000 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, 2925 + ... + 3075.

It is an arithmetic number, because the mean of its divisors is an integer number (22230).

2⁴⁵³⁰⁰⁰ is an apocalyptic number.

453000 is a gapful number since it is divisible by the number (40) 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 453000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711360).

453000 is an abundant number, since it is smaller than the sum of its proper divisors (969720).

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

453000 is a wasteful number, since it uses less digits than its factorization.

453000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 453000 is about 673.0527468186. The cubic root of 453000 is about 76.8008571953.

Adding to 453000 its reverse (354), we get a palindrome (453354).

The spelling of 453000 in words is "four hundred fifty-three thousand".