205145448 has 32 divisors (see below), whose sum is σ = 513293760. Its totient is φ = 68324480.

The previous prime is 205145431. The next prime is 205145453. The reversal of 205145448 is 844541502.

It is a happy number.

205145448 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 33436 + ... + 39092.

It is an arithmetic number, because the mean of its divisors is an integer number (16040430).

Almost surely, 2^205145448 is an apocalyptic number.

It is an amenable number.

205145448 is an abundant number, since it is smaller than the sum of its proper divisors (308148312).

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

205145448 is a wasteful number, since it uses less digits than its factorization.

205145448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7177 (or 7173 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 205145448 is about 14322.8994271411. The cubic root of 205145448 is about 589.7762706254.

It can be divided in two parts, 2051454 and 48, that added together give a palindrome (2051502).

The spelling of 205145448 in words is "two hundred five million, one hundred forty-five thousand, four hundred forty-eight".