205441142 has 4 divisors (see below), whose sum is σ = 308161716. Its totient is φ = 102720570.

The previous prime is 205441139. The next prime is 205441153. The reversal of 205441142 is 241144502.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51360284 + ... + 51360287.

It is an arithmetic number, because the mean of its divisors is an integer number (77040429).

Almost surely, 2^205441142 is an apocalyptic number.

205441142 is a deficient number, since it is larger than the sum of its proper divisors (102720574).

205441142 is a wasteful number, since it uses less digits than its factorization.

205441142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102720573.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 205441142 is about 14333.2181313200. The cubic root of 205441142 is about 590.0594998885.

Adding to 205441142 its reverse (241144502), we get a palindrome (446585644).

The spelling of 205441142 in words is "two hundred five million, four hundred forty-one thousand, one hundred forty-two".