4545203230125 has 40 divisors (see below), whose sum is σ = 8473605566712. Its totient is φ = 2424108384000.

The previous prime is 4545203230121. The next prime is 4545203230159. The reversal of 4545203230125 is 5210323025454.

4545203230125 is a `hidden beast` number, since 4 + 5 + 4 + 520 + 3 + 2 + 3 + 0 + 125 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 676700373924 + 3868502856201 = 822618^2 + 1966851^2 .

It is not a de Polignac number, because 4545203230125 - 2² = 4545203230121 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 4545203230125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545203230121) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 224444356 + ... + 224464605.

Almost surely, 2^{4545203230125} is an apocalyptic number.

4545203230125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4545203230125 is a deficient number, since it is larger than the sum of its proper divisors (3928402336587).

4545203230125 is an equidigital number, since it uses as much as digits as its factorization.

4545203230125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448908988 (or 448908969 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 4545203230125 its reverse (5210323025454), we get a palindrome (9755526255579).

The spelling of 4545203230125 in words is "four trillion, five hundred forty-five billion, two hundred three million, two hundred thirty thousand, one hundred twenty-five".