9454645225 has 9 divisors (see below), whose sum is σ = 11724362967. Its totient is φ = 7563327240.

The previous prime is 9454645219. The next prime is 9454645243. The reversal of 9454645225 is 5225464549.

The square root of 9454645225 is 97235.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3403672281 + 6050972944 = 58341^2 + 77788^2 .

It is a de Polignac number, because none of the positive numbers 2^k-9454645225 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 476452 + ... + 495898.

Almost surely, 2^9454645225 is an apocalyptic number.

9454645225 is the 97235-th square number.

9454645225 is the 48618-th centered octagonal number.

It is an amenable number.

9454645225 is a deficient number, since it is larger than the sum of its proper divisors (2269717742).

9454645225 is an frugal number, since it uses more digits than its factorization.

9454645225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38904 (or 19452 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 46.

The cubic root of 9454645225 is about 2114.5359786225.

The spelling of 9454645225 in words is "nine billion, four hundred fifty-four million, six hundred forty-five thousand, two hundred twenty-five".