205030300143 has 8 divisors (see below), whose sum is σ = 274008013056. Its totient is φ = 136369727000.

The previous prime is 205030300141. The next prime is 205030300169. The reversal of 205030300143 is 341003030502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205030300143 - 2¹ = 205030300141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205030300141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79283433 + ... + 79286018.

It is an arithmetic number, because the mean of its divisors is an integer number (34251001632).

Almost surely, 2^205030300143 is an apocalyptic number.

205030300143 is a deficient number, since it is larger than the sum of its proper divisors (68977712913).

205030300143 is a wasteful number, since it uses less digits than its factorization.

205030300143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158569885.

The product of its (nonzero) digits is 1080, while the sum is 21.

Adding to 205030300143 its reverse (341003030502), we get a palindrome (546033330645).

The spelling of 205030300143 in words is "two hundred five billion, thirty million, three hundred thousand, one hundred forty-three".