205350142 has 8 divisors (see below), whose sum is σ = 308322000. Its totient is φ = 102576144.

The previous prime is 205350139. The next prime is 205350163. The reversal of 205350142 is 241053502.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46842 + ... + 51037.

It is an arithmetic number, because the mean of its divisors is an integer number (38540250).

Almost surely, 2^205350142 is an apocalyptic number.

205350142 is a deficient number, since it is larger than the sum of its proper divisors (102971858).

205350142 is a wasteful number, since it uses less digits than its factorization.

205350142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98930.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 205350142 is about 14330.0433355939. The cubic root of 205350142 is about 589.9723648839.

The spelling of 205350142 in words is "two hundred five million, three hundred fifty thousand, one hundred forty-two".