200142873 has 32 divisors (see below), whose sum is σ = 346091520. Its totient is φ = 111929040.

The previous prime is 200142863. The next prime is 200142907. The reversal of 200142873 is 378241002.

It is not a de Polignac number, because 200142873 - 2¹⁰ = 200141849 is a prime.

It is a super-2 number, since 2×200142873² = 80114339225388258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (200142863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2383 + ... + 20148.

It is an arithmetic number, because the mean of its divisors is an integer number (10815360).

Almost surely, 2^200142873 is an apocalyptic number.

It is an amenable number.

200142873 is a deficient number, since it is larger than the sum of its proper divisors (145948647).

200142873 is a wasteful number, since it uses less digits than its factorization.

200142873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22594 (or 22588 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 200142873 is about 14147.1860452883. The cubic root of 200142873 is about 584.9427688917.

Adding to 200142873 its reverse (378241002), we get a palindrome (578383875).

The spelling of 200142873 in words is "two hundred million, one hundred forty-two thousand, eight hundred seventy-three".