455355225 has 72 divisors (see below), whose sum is σ = 899989272. Its totient is φ = 218649600.

The previous prime is 455355221. The next prime is 455355233. The reversal of 455355225 is 522553554.

It can be written as a sum of positive squares in 12 ways, for example, as 432972864 + 22382361 = 20808^2 + 4731^2 .

It is not a de Polignac number, because 455355225 - 2² = 455355221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 455355225.

It is not an unprimeable number, because it can be changed into a prime (455355221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 118027 + ... + 121823.

It is an arithmetic number, because the mean of its divisors is an integer number (12499851).

Almost surely, 2^455355225 is an apocalyptic number.

455355225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

455355225 is a deficient number, since it is larger than the sum of its proper divisors (444634047).

455355225 is a wasteful number, since it uses less digits than its factorization.

455355225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3867 (or 3859 counting only the distinct ones).

The product of its digits is 150000, while the sum is 36.

The square root of 455355225 is about 21339.0539855918. The cubic root of 455355225 is about 769.3372748234.

The spelling of 455355225 in words is "four hundred fifty-five million, three hundred fifty-five thousand, two hundred twenty-five".