205445432 has 16 divisors (see below), whose sum is σ = 397636800. Its totient is φ = 99408960.

The previous prime is 205445431. The next prime is 205445441. The reversal of 205445432 is 234544502.

205445432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 205445395 and 205445404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205445431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413957 + ... + 414452.

It is an arithmetic number, because the mean of its divisors is an integer number (24852300).

Almost surely, 2^205445432 is an apocalyptic number.

It is an amenable number.

205445432 is a deficient number, since it is larger than the sum of its proper divisors (192191368).

205445432 is a wasteful number, since it uses less digits than its factorization.

205445432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828446 (or 828442 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 205445432 is about 14333.3677829043. The cubic root of 205445432 is about 590.0636070464.

Adding to 205445432 its reverse (234544502), we get a palindrome (439989934).

The spelling of 205445432 in words is "two hundred five million, four hundred forty-five thousand, four hundred thirty-two".