454282140 has 144 divisors (see below), whose sum is σ = 1398974976. Its totient is φ = 110073600.

The previous prime is 454282121. The next prime is 454282151. The reversal of 454282140 is 41282454.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 454282098 and 454282107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 719625 + ... + 720255.

It is an arithmetic number, because the mean of its divisors is an integer number (9715104).

Almost surely, 2^454282140 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 454282140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (699487488).

454282140 is an abundant number, since it is smaller than the sum of its proper divisors (944692836).

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

454282140 is a wasteful number, since it uses less digits than its factorization.

454282140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 454282140 is about 21313.8954675113. The cubic root of 454282140 is about 768.7324622875.

The spelling of 454282140 in words is "four hundred fifty-four million, two hundred eighty-two thousand, one hundred forty".