4245102225 has 72 divisors (see below), whose sum is σ = 9358137152. Its totient is φ = 1791331200.

The previous prime is 4245102221. The next prime is 4245102229. The reversal of 4245102225 is 5222015424.

4245102225 is a `hidden beast` number, since 424 + 5 + 10 + 2 + 225 = 666.

It is an interprime number because it is at equal distance from previous prime (4245102221) and next prime (4245102229).

It is not a de Polignac number, because 4245102225 - 2² = 4245102221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4245102221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 83191 + ... + 124140.

Almost surely, 2^4245102225 is an apocalyptic number.

4245102225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4245102225 is an abundant number, since it is smaller than the sum of its proper divisors (5113034927).

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

4245102225 is a wasteful number, since it uses less digits than its factorization.

4245102225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207367 (or 207359 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 4245102225 is about 65154.4490038861. The cubic root of 4245102225 is about 1619.1834304940.

Adding to 4245102225 its reverse (5222015424), we get a palindrome (9467117649).

The spelling of 4245102225 in words is "four billion, two hundred forty-five million, one hundred two thousand, two hundred twenty-five".