203145050444 has 18 divisors (see below), whose sum is σ = 413545281660. Its totient is φ = 87062164392.

The previous prime is 203145050443. The next prime is 203145050513. The reversal of 203145050444 is 444050541302.

203145050444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 203145050444.

It is not an unprimeable number, because it can be changed into a prime (203145050441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 518226974 + ... + 518227365.

It is an arithmetic number, because the mean of its divisors is an integer number (22974737870).

Almost surely, 2^203145050444 is an apocalyptic number.

It is an amenable number.

203145050444 is an abundant number, since it is smaller than the sum of its proper divisors (210400231216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203145050444 is a wasteful number, since it uses less digits than its factorization.

203145050444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036454357 (or 1036454348 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 203145050444 its reverse (444050541302), we get a palindrome (647195591746).

The spelling of 203145050444 in words is "two hundred three billion, one hundred forty-five million, fifty thousand, four hundred forty-four".