205148532 has 24 divisors (see below), whose sum is σ = 483156576. Its totient is φ = 67743328.

The previous prime is 205148519. The next prime is 205148533. The reversal of 205148532 is 235841502.

It is a self number, because there is not a number n which added to its sum of digits gives 205148532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205148533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78603 + ... + 81170.

It is an arithmetic number, because the mean of its divisors is an integer number (20131524).

Almost surely, 2^205148532 is an apocalyptic number.

It is an amenable number.

205148532 is an abundant number, since it is smaller than the sum of its proper divisors (278008044).

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

205148532 is a wasteful number, since it uses less digits than its factorization.

205148532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159887 (or 159885 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 205148532 is about 14323.0070865025. The cubic root of 205148532 is about 589.7792260260.

The spelling of 205148532 in words is "two hundred five million, one hundred forty-eight thousand, five hundred thirty-two".