200142 has 12 divisors (see below), whose sum is σ = 433680. Its totient is φ = 66708.

The previous prime is 200131. The next prime is 200153. The reversal of 200142 is 241002.

It is an interprime number because it is at equal distance from previous prime (200131) and next prime (200153).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

200142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5542 + ... + 5577.

It is an arithmetic number, because the mean of its divisors is an integer number (36140).

2²⁰⁰¹⁴² is an apocalyptic number.

200142 is an abundant number, since it is smaller than the sum of its proper divisors (233538).

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

200142 is a wasteful number, since it uses less digits than its factorization.

200142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11127 (or 11124 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 200142 is about 447.3723281563. The cubic root of 200142 is about 58.4941918406.

Adding to 200142 its reverse (241002), we get a palindrome (441144).

The spelling of 200142 in words is "two hundred thousand, one hundred forty-two", and thus it is an iban number.