453444 has 24 divisors (see below), whose sum is σ = 1095360. Its totient is φ = 145824.

The previous prime is 453421. The next prime is 453451. The reversal of 453444 is 444354.

It is a super-2 number, since 2×453444² = 411222922272, which contains 22 as substring.

It is an unprimeable number.

453444 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 7 ways as a sum of consecutive naturals, for example, 304 + ... + 999.

It is an arithmetic number, because the mean of its divisors is an integer number (45640).

2⁴⁵³⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

453444 is an abundant number, since it is smaller than the sum of its proper divisors (641916).

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

453444 is a wasteful number, since it uses less digits than its factorization.

453444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339 (or 1337 counting only the distinct ones).

The product of its digits is 3840, while the sum is 24.

The square root of 453444 is about 673.3825064553. The cubic root of 453444 is about 76.8259406728.

Adding to 453444 its reverse (444354), we get a palindrome (897798).

The spelling of 453444 in words is "four hundred fifty-three thousand, four hundred forty-four".