45210510225 has 18 divisors (see below), whose sum is σ = 80977047606. Its totient is φ = 24112272000.

The previous prime is 45210510193. The next prime is 45210510253. The reversal of 45210510225 is 52201501254.

45210510225 is a `hidden beast` number, since 452 + 105 + 102 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 3481826049 + 41728684176 = 59007^2 + 204276^2 .

It is not a de Polignac number, because 45210510225 - 2⁵ = 45210510193 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 100467576 + ... + 100468025.

It is an arithmetic number, because the mean of its divisors is an integer number (4498724867).

Almost surely, 2^45210510225 is an apocalyptic number.

45210510225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45210510225 is a deficient number, since it is larger than the sum of its proper divisors (35766537381).

45210510225 is a wasteful number, since it uses less digits than its factorization.

45210510225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200935617 (or 200935609 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 45210510225 in words is "forty-five billion, two hundred ten million, five hundred ten thousand, two hundred twenty-five".