454140 has 72 divisors (see below), whose sum is σ = 1463280. Its totient is φ = 116928.

The previous prime is 454109. The next prime is 454141. The reversal of 454140 is 41454.

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 (454141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15646 + ... + 15674.

2⁴⁵⁴¹⁴⁰ 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 454140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731640).

454140 is an abundant number, since it is smaller than the sum of its proper divisors (1009140).

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

454140 is a wasteful number, since it uses less digits than its factorization.

454140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 454140 is about 673.8991022401. The cubic root of 454140 is about 76.8652277882.

Adding to 454140 its reverse (41454), we get a palindrome (495594).

Subtracting from 454140 its reverse (41454), we obtain a triangular number (412686 = T₉₀₈).

The spelling of 454140 in words is "four hundred fifty-four thousand, one hundred forty".