33145440205 has 8 divisors (see below), whose sum is σ = 39811951872. Its totient is φ = 26491403088.

The previous prime is 33145440191. The next prime is 33145440241. The reversal of 33145440205 is 50204454133.

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 33145440205 - 2⁹ = 33145439693 is a prime.

It is a Duffinian number.

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, 3112789 + ... + 3123418.

It is an arithmetic number, because the mean of its divisors is an integer number (4976493984).

Almost surely, 2^33145440205 is an apocalyptic number.

It is an amenable number.

33145440205 is a deficient number, since it is larger than the sum of its proper divisors (6666511667).

33145440205 is a wasteful number, since it uses less digits than its factorization.

33145440205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6237275.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 33145440205 its reverse (50204454133), we get a palindrome (83349894338).

The spelling of 33145440205 in words is "thirty-three billion, one hundred forty-five million, four hundred forty thousand, two hundred five".