142280 has 16 divisors (see below), whose sum is σ = 320220. Its totient is φ = 56896.

The previous prime is 142271. The next prime is 142297. The reversal of 142280 is 82241.

It can be written as a sum of positive squares in 2 ways, for example, as 131044 + 11236 = 362^2 + 106^2 .

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1739 + ... + 1818.

2¹⁴²²⁸⁰ is an apocalyptic number.

142280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142280 is an abundant number, since it is smaller than the sum of its proper divisors (177940).

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

142280 is a wasteful number, since it uses less digits than its factorization.

142280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568 (or 3564 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 142280 is about 377.2002120890. The cubic root of 142280 is about 52.2053027696.

The spelling of 142280 in words is "one hundred forty-two thousand, two hundred eighty".