454518 has 32 divisors (see below), whose sum is σ = 1065600. Its totient is φ = 143208.

The previous prime is 454513. The next prime is 454541. The reversal of 454518 is 815454.

It is a super-2 number, since 2×454518² = 413173224648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 454491 and 454500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454513) by changing a digit.

454518 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, 805 + ... + 1247.

It is an arithmetic number, because the mean of its divisors is an integer number (33300).

2⁴⁵⁴⁵¹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532800).

454518 is an abundant number, since it is smaller than the sum of its proper divisors (611082).

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

454518 is a wasteful number, since it uses less digits than its factorization.

454518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 467 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 454518 is about 674.1795013199. The cubic root of 454518 is about 76.8865479380.

It can be divided in two parts, 4545 and 18, that multiplied together give a triangular number (81810 = T₄₀₄).

The spelling of 454518 in words is "four hundred fifty-four thousand, five hundred eighteen".