205414300143 has 24 divisors (see below), whose sum is σ = 320101013232. Its totient is φ = 126184232448.

The previous prime is 205414300139. The next prime is 205414300151. The reversal of 205414300143 is 341003414502.

It is a happy number.

205414300143 is a `hidden beast` number, since 205 + 4 + 14 + 300 + 143 = 666.

It is not a de Polignac number, because 205414300143 - 2² = 205414300139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205414300153) 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, 1493346 + ... + 1625087.

It is an arithmetic number, because the mean of its divisors is an integer number (13337542218).

Almost surely, 2^205414300143 is an apocalyptic number.

205414300143 is a deficient number, since it is larger than the sum of its proper divisors (114686713089).

205414300143 is a wasteful number, since it uses less digits than its factorization.

205414300143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119015 (or 3119012 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 205414300143 its reverse (341003414502), we get a palindrome (546417714645).

The spelling of 205414300143 in words is "two hundred five billion, four hundred fourteen million, three hundred thousand, one hundred forty-three".