454245220 has 96 divisors (see below), whose sum is σ = 1136975616. Its totient is φ = 150259200.

The previous prime is 454245119. The next prime is 454245221. The reversal of 454245220 is 22542454.

It is not an unprimeable number, because it can be changed into a prime (454245221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201942 + ... + 204178.

It is an arithmetic number, because the mean of its divisors is an integer number (11843496).

Almost surely, 2^454245220 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 454245220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568487808).

454245220 is an abundant number, since it is smaller than the sum of its proper divisors (682730396).

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

454245220 is a wasteful number, since it uses less digits than its factorization.

454245220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341 (or 2339 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 454245220 is about 21313.0293482649. The cubic root of 454245220 is about 768.7116364842.

Adding to 454245220 its reverse (22542454), we get a palindrome (476787674).

The spelling of 454245220 in words is "four hundred fifty-four million, two hundred forty-five thousand, two hundred twenty".