205026045 has 24 divisors (see below), whose sum is σ = 381600864. Its totient is φ = 93725856.

The previous prime is 205026013. The next prime is 205026047. The reversal of 205026045 is 540620502.

It is not a de Polignac number, because 205026045 - 2⁵ = 205026013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205026047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138739 + ... + 140208.

It is an arithmetic number, because the mean of its divisors is an integer number (15900036).

Almost surely, 2^205026045 is an apocalyptic number.

It is an amenable number.

205026045 is a deficient number, since it is larger than the sum of its proper divisors (176574819).

205026045 is a wasteful number, since it uses less digits than its factorization.

205026045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278969 (or 278962 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 205026045 is about 14318.7305652422. The cubic root of 205026045 is about 589.6618238207.

Adding to 205026045 its reverse (540620502), we get a palindrome (745646547).

The spelling of 205026045 in words is "two hundred five million, twenty-six thousand, forty-five".