245151333225 has 72 divisors (see below), whose sum is σ = 443400024600. Its totient is φ = 129467197440.

The previous prime is 245151333199. The next prime is 245151333247. The reversal of 245151333225 is 522333151542.

245151333225 is a `hidden beast` number, since 2 + 4 + 51 + 51 + 333 + 225 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 206496627561 + 38654705664 = 454419^2 + 196608^2 .

It is not a de Polignac number, because 245151333225 - 2¹⁰ = 245151332201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245151333225.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 30836551 + ... + 30844499.

It is an arithmetic number, because the mean of its divisors is an integer number (6158333675).

Almost surely, 2^245151333225 is an apocalyptic number.

245151333225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245151333225 is a deficient number, since it is larger than the sum of its proper divisors (198248691375).

245151333225 is a wasteful number, since it uses less digits than its factorization.

245151333225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9291 (or 9283 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

Adding to 245151333225 its reverse (522333151542), we get a palindrome (767484484767).

The spelling of 245151333225 in words is "two hundred forty-five billion, one hundred fifty-one million, three hundred thirty-three thousand, two hundred twenty-five".