454481136 has 60 divisors (see below), whose sum is σ = 1277709888. Its totient is φ = 150803712.

The previous prime is 454481119. The next prime is 454481221. The reversal of 454481136 is 631184454.

454481136 is a `hidden beast` number, since 4 + 544 + 81 + 1 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 454481136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25036 + ... + 39188.

Almost surely, 2^454481136 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 454481136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638854944).

454481136 is an abundant number, since it is smaller than the sum of its proper divisors (823228752).

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

454481136 is a wasteful number, since it uses less digits than its factorization.

454481136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14390 (or 14381 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 454481136 is about 21318.5631786009. The cubic root of 454481136 is about 768.8446923610.

The spelling of 454481136 in words is "four hundred fifty-four million, four hundred eighty-one thousand, one hundred thirty-six".