204433306445 has 8 divisors (see below), whose sum is σ = 246372844536. Its totient is φ = 162844727296.

The previous prime is 204433306381. The next prime is 204433306457. The reversal of 204433306445 is 544603334402.

It can be written as a sum of positive squares in 4 ways, for example, as 32568338089 + 171864968356 = 180467^2 + 414566^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204433306445 - 2⁶ = 204433306381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204433306399 and 204433306408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87738452 + ... + 87740781.

It is an arithmetic number, because the mean of its divisors is an integer number (30796605567).

Almost surely, 2^204433306445 is an apocalyptic number.

It is an amenable number.

204433306445 is a deficient number, since it is larger than the sum of its proper divisors (41939538091).

204433306445 is a wasteful number, since it uses less digits than its factorization.

204433306445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175479471.

The product of its (nonzero) digits is 414720, while the sum is 38.

The spelling of 204433306445 in words is "two hundred four billion, four hundred thirty-three million, three hundred six thousand, four hundred forty-five".