455545220 has 24 divisors (see below), whose sum is σ = 1030233624. Its totient is φ = 168201216.

The previous prime is 455545213. The next prime is 455545231. The reversal of 455545220 is 22545554.

It can be written as a sum of positive squares in 4 ways, for example, as 88209664 + 367335556 = 9392^2 + 19166^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875789 + ... + 876308.

It is an arithmetic number, because the mean of its divisors is an integer number (42926401).

Almost surely, 2^455545220 is an apocalyptic number.

It is an amenable number.

455545220 is an abundant number, since it is smaller than the sum of its proper divisors (574688404).

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

455545220 is a wasteful number, since it uses less digits than its factorization.

455545220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752119 (or 1752117 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 455545220 is about 21343.5053353473. The cubic root of 455545220 is about 769.4442608294. Note that the first 3 decimals are identical.

The spelling of 455545220 in words is "four hundred fifty-five million, five hundred forty-five thousand, two hundred twenty".