205433250045 has 16 divisors (see below), whose sum is σ = 328755567552. Its totient is φ = 109543610880.

The previous prime is 205433250041. The next prime is 205433250083. The reversal of 205433250045 is 540052334502.

It is a happy number.

It is not a de Polignac number, because 205433250045 - 2² = 205433250041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205433249988 and 205433250015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205433250041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1217467 + ... + 1375896.

It is an arithmetic number, because the mean of its divisors is an integer number (20547222972).

Almost surely, 2^205433250045 is an apocalyptic number.

It is an amenable number.

205433250045 is a deficient number, since it is larger than the sum of its proper divisors (123322317507).

205433250045 is a wasteful number, since it uses less digits than its factorization.

205433250045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598652.

The product of its (nonzero) digits is 72000, while the sum is 33.

Adding to 205433250045 its reverse (540052334502), we get a palindrome (745485584547).

The spelling of 205433250045 in words is "two hundred five billion, four hundred thirty-three million, two hundred fifty thousand, forty-five".