320142 has 16 divisors (see below), whose sum is σ = 645840. Its totient is φ = 105792.

The previous prime is 320141. The next prime is 320143. The reversal of 320142 is 241023.

It is an interprime number because it is at equal distance from previous prime (320141) and next prime (320143).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320142.

It is not an unprimeable number, because it can be changed into a prime (320141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1258 + ... + 1490.

It is an arithmetic number, because the mean of its divisors is an integer number (40365).

2³²⁰¹⁴² is an apocalyptic number.

320142 is an abundant number, since it is smaller than the sum of its proper divisors (325698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320142 is a wasteful number, since it uses less digits than its factorization.

320142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467.

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

The square root of 320142 is about 565.8109224821. The cubic root of 320142 is about 68.4091537286.

Adding to 320142 its reverse (241023), we get a palindrome (561165).

The spelling of 320142 in words is "three hundred twenty thousand, one hundred forty-two", and thus it is an iban number.