200143542 has 8 divisors (see below), whose sum is σ = 400287096. Its totient is φ = 66714512.

The previous prime is 200143513. The next prime is 200143547. The reversal of 200143542 is 245341002.

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

200143542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200143547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16678623 + ... + 16678634.

It is an arithmetic number, because the mean of its divisors is an integer number (50035887).

Almost surely, 2^200143542 is an apocalyptic number.

200143542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

200143542 is a wasteful number, since it uses less digits than its factorization.

200143542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33357262.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 200143542 is about 14147.2096895466. The cubic root of 200143542 is about 584.9434206366.

Adding to 200143542 its reverse (245341002), we get a palindrome (445484544).

The spelling of 200143542 in words is "two hundred million, one hundred forty-three thousand, five hundred forty-two".