201544413345 has 48 divisors (see below), whose sum is σ = 382200766272. Its totient is φ = 97436810880.

The previous prime is 201544413337. The next prime is 201544413349. The reversal of 201544413345 is 543314445102.

201544413345 is a `hidden beast` number, since 2 + 0 + 1 + 544 + 41 + 33 + 45 = 666.

It is not a de Polignac number, because 201544413345 - 2³ = 201544413337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201544413349) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 414922 + ... + 758451.

It is an arithmetic number, because the mean of its divisors is an integer number (7962515964).

Almost surely, 2^201544413345 is an apocalyptic number.

It is an amenable number.

201544413345 is a deficient number, since it is larger than the sum of its proper divisors (180656352927).

201544413345 is a wasteful number, since it uses less digits than its factorization.

201544413345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173742 (or 1173739 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 201544413345 its reverse (543314445102), we get a palindrome (744858858447).

The spelling of 201544413345 in words is "two hundred one billion, five hundred forty-four million, four hundred thirteen thousand, three hundred forty-five".