454540 has 12 divisors (see below), whose sum is σ = 954576. Its totient is φ = 181808.

The previous prime is 454513. The next prime is 454541. The reversal of 454540 is 45454.

It is a super-2 number, since 2×454540² = 413213223200, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (454541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11344 + ... + 11383.

It is an arithmetic number, because the mean of its divisors is an integer number (79548).

2⁴⁵⁴⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

454540 is an abundant number, since it is smaller than the sum of its proper divisors (500036).

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

454540 is a wasteful number, since it uses less digits than its factorization.

454540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22736 (or 22734 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 454540 is about 674.1958172519. The cubic root of 454540 is about 76.8877884292.

Adding to 454540 its reverse (45454), we get a palindrome (499994).

The spelling of 454540 in words is "four hundred fifty-four thousand, five hundred forty".