205045412 has 24 divisors (see below), whose sum is σ = 421563072. Its totient is φ = 86032800.

The previous prime is 205045403. The next prime is 205045417. The reversal of 205045412 is 214540502.

It is a happy number.

205045412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (205045417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178664 + ... + 179807.

It is an arithmetic number, because the mean of its divisors is an integer number (17565128).

Almost surely, 2^205045412 is an apocalyptic number.

205045412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

205045412 is an abundant number, since it is smaller than the sum of its proper divisors (216517660).

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

205045412 is a wasteful number, since it uses less digits than its factorization.

205045412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358499 (or 358497 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 205045412 is about 14319.4068312902. The cubic root of 205045412 is about 589.6803899513.

Adding to 205045412 its reverse (214540502), we get a palindrome (419585914).

The spelling of 205045412 in words is "two hundred five million, forty-five thousand, four hundred twelve".