489142 has 8 divisors (see below), whose sum is σ = 738000. Its totient is φ = 243144.

The previous prime is 489133. The next prime is 489157. The reversal of 489142 is 241984.

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

It is a self number, because there is not a number n which added to its sum of digits gives 489142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217 + ... + 1012.

It is an arithmetic number, because the mean of its divisors is an integer number (92250).

2⁴⁸⁹¹⁴² is an apocalyptic number.

489142 is a deficient number, since it is larger than the sum of its proper divisors (248858).

489142 is a wasteful number, since it uses less digits than its factorization.

489142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430.

The product of its digits is 2304, while the sum is 28.

The square root of 489142 is about 699.3868743407. The cubic root of 489142 is about 78.7913094765.

The spelling of 489142 in words is "four hundred eighty-nine thousand, one hundred forty-two".