2003142 has 8 divisors (see below), whose sum is σ = 4006296. Its totient is φ = 667712.

The previous prime is 2003119. The next prime is 2003149. The reversal of 2003142 is 2413002.

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

2003142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166923 + ... + 166934.

It is an arithmetic number, because the mean of its divisors is an integer number (500787).

2^2003142 is an apocalyptic number.

2003142 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.

2003142 is a wasteful number, since it uses less digits than its factorization.

2003142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333862.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2003142 is about 1415.3239911766. The cubic root of 2003142 is about 126.0580483348.

Adding to 2003142 its reverse (2413002), we get a palindrome (4416144).

It can be divided in two parts, 2003 and 142, that added together give a triangular number (2145 = T₆₅).

The spelling of 2003142 in words is "two million, three thousand, one hundred forty-two".