545223302325 has 144 divisors (see below), whose sum is σ = 1081394692560. Its totient is φ = 260881920000.

The previous prime is 545223302321. The next prime is 545223302359. The reversal of 545223302325 is 523203322545.

545223302325 is a `hidden beast` number, since 5 + 4 + 5 + 2 + 23 + 302 + 325 = 666.

It can be written as a sum of positive squares in 24 ways, for example, as 501187538916 + 44035763409 = 707946^2 + 209847^2 .

It is not a de Polignac number, because 545223302325 - 2² = 545223302321 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 545223302325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545223302321) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 32251375 + ... + 32268275.

It is an arithmetic number, because the mean of its divisors is an integer number (7509685365).

Almost surely, 2^545223302325 is an apocalyptic number.

It is an amenable number.

545223302325 is a deficient number, since it is larger than the sum of its proper divisors (536171390235).

545223302325 is a wasteful number, since it uses less digits than its factorization.

545223302325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17240 (or 17232 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

The spelling of 545223302325 in words is "five hundred forty-five billion, two hundred twenty-three million, three hundred two thousand, three hundred twenty-five".