200403142 has 4 divisors (see below), whose sum is σ = 300604716. Its totient is φ = 100201570.

The previous prime is 200403139. The next prime is 200403179. The reversal of 200403142 is 241304002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241304002 = 2 ⋅120652001.

It is a super-2 number, since 2×200403142² = 80322838646944328, which contains 22 as substring.

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, 50100784 + ... + 50100787.

It is an arithmetic number, because the mean of its divisors is an integer number (75151179).

Almost surely, 2^200403142 is an apocalyptic number.

200403142 is a deficient number, since it is larger than the sum of its proper divisors (100201574).

200403142 is a wasteful number, since it uses less digits than its factorization.

200403142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100201573.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 200403142 is about 14156.3816704693. The cubic root of 200403142 is about 585.1962153789.

Adding to 200403142 its reverse (241304002), we get a palindrome (441707144).

The spelling of 200403142 in words is "two hundred million, four hundred three thousand, one hundred forty-two".