205066045 has 16 divisors (see below), whose sum is σ = 257726592. Its totient is φ = 156340800.

The previous prime is 205066039. The next prime is 205066049. The reversal of 205066045 is 540660502.

It is not a de Polignac number, because 205066045 - 2⁵ = 205066013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205066049) 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, 29395 + ... + 35695.

It is an arithmetic number, because the mean of its divisors is an integer number (16107912).

Almost surely, 2^205066045 is an apocalyptic number.

It is an amenable number.

205066045 is a deficient number, since it is larger than the sum of its proper divisors (52660547).

205066045 is a wasteful number, since it uses less digits than its factorization.

205066045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6612.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 205066045 is about 14320.1272689875. The cubic root of 205066045 is about 589.7001684437.

The spelling of 205066045 in words is "two hundred five million, sixty-six thousand, forty-five".