2803142 has 4 divisors (see below), whose sum is σ = 4204716. Its totient is φ = 1401570.

The previous prime is 2803139. The next prime is 2803183. The reversal of 2803142 is 2413082.

2803142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700784 + ... + 700787.

It is an arithmetic number, because the mean of its divisors is an integer number (1051179).

2^2803142 is an apocalyptic number.

2803142 is a deficient number, since it is larger than the sum of its proper divisors (1401574).

2803142 is a wasteful number, since it uses less digits than its factorization.

2803142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401573.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2803142 is about 1674.2586419069. The cubic root of 2803142 is about 140.9986754398.

The spelling of 2803142 in words is "two million, eight hundred three thousand, one hundred forty-two".