203218867445 has 8 divisors (see below), whose sum is σ = 266031972000. Its totient is φ = 147795539920.

The previous prime is 203218867363. The next prime is 203218867457. The reversal of 203218867445 is 544768812302.

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

It is not a de Polignac number, because 203218867445 - 2¹⁰ = 203218866421 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 203218867393 and 203218867402.

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, 1847444195 + ... + 1847444304.

It is an arithmetic number, because the mean of its divisors is an integer number (33253996500).

Almost surely, 2^203218867445 is an apocalyptic number.

It is an amenable number.

203218867445 is a deficient number, since it is larger than the sum of its proper divisors (62813104555).

203218867445 is a wasteful number, since it uses less digits than its factorization.

203218867445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3694888515.

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 203218867445 in words is "two hundred three billion, two hundred eighteen million, eight hundred sixty-seven thousand, four hundred forty-five".