200105142 has 16 divisors (see below), whose sum is σ = 400604400. Its totient is φ = 66636032.

The previous prime is 200105141. The next prime is 200105153. The reversal of 200105142 is 241501002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200105141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9603 + ... + 22190.

It is an arithmetic number, because the mean of its divisors is an integer number (25037775).

Almost surely, 2^200105142 is an apocalyptic number.

200105142 is an abundant number, since it is smaller than the sum of its proper divisors (200499258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200105142 is a wasteful number, since it uses less digits than its factorization.

200105142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32847.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 200105142 is about 14145.8524663592. The cubic root of 200105142 is about 584.9060087141.

Adding to 200105142 its reverse (241501002), we get a palindrome (441606144).

It can be divided in two parts, 20010 and 5142, that added together give a palindrome (25152).

The spelling of 200105142 in words is "two hundred million, one hundred five thousand, one hundred forty-two".