205414300142 has 16 divisors (see below), whose sum is σ = 326267669520. Its totient is φ = 96659203968.

The previous prime is 205414300139. The next prime is 205414300151. The reversal of 205414300142 is 241003414502.

It is a super-2 number, since 2×205414300142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348728 + ... + 729684.

It is an arithmetic number, because the mean of its divisors is an integer number (20391729345).

Almost surely, 2^205414300142 is an apocalyptic number.

205414300142 is a deficient number, since it is larger than the sum of its proper divisors (120853369378).

205414300142 is a wasteful number, since it uses less digits than its factorization.

205414300142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396835.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 205414300142 its reverse (241003414502), we get a palindrome (446417714644).

The spelling of 205414300142 in words is "two hundred five billion, four hundred fourteen million, three hundred thousand, one hundred forty-two".