104540450225 has 12 divisors (see below), whose sum is σ = 132076011996. Its totient is φ = 82054390080.

The previous prime is 104540450213. The next prime is 104540450227. The reversal of 104540450225 is 522054045401.

It can be written as a sum of positive squares in 6 ways, for example, as 5455890496 + 99084559729 = 73864^2 + 314777^2 .

It is not a de Polignac number, because 104540450225 - 2¹⁰ = 104540449201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104540450191 and 104540450200.

It is not an unprimeable number, because it can be changed into a prime (104540450227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39447902 + ... + 39450551.

It is an arithmetic number, because the mean of its divisors is an integer number (11006334333).

Almost surely, 2^104540450225 is an apocalyptic number.

It is an amenable number.

104540450225 is a deficient number, since it is larger than the sum of its proper divisors (27535561771).

104540450225 is an equidigital number, since it uses as much as digits as its factorization.

104540450225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78898516 (or 78898511 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 104540450225 its reverse (522054045401), we get a palindrome (626594495626).

The spelling of 104540450225 in words is "one hundred four billion, five hundred forty million, four hundred fifty thousand, two hundred twenty-five".