142980 has 24 divisors (see below), whose sum is σ = 400512. Its totient is φ = 38112.

The previous prime is 142979. The next prime is 142981. The reversal of 142980 is 89241.

Added to its reverse (89241) it gives a triangular number (232221 = T₆₈₁).

It is an interprime number because it is at equal distance from previous prime (142979) and next prime (142981).

It is a self number, because there is not a number n which added to its sum of digits gives 142980.

It is not an unprimeable number, because it can be changed into a prime (142981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132 + ... + 1251.

It is an arithmetic number, because the mean of its divisors is an integer number (16688).

2¹⁴²⁹⁸⁰ is an apocalyptic number.

142980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142980 is an abundant number, since it is smaller than the sum of its proper divisors (257532).

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

142980 is a wasteful number, since it uses less digits than its factorization.

142980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395 (or 2393 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 142980 is about 378.1269628048. The cubic root of 142980 is about 52.2907772918.

Adding to 142980 its reverse (89241), we get a triangular number (232221 = T₆₈₁).

The spelling of 142980 in words is "one hundred forty-two thousand, nine hundred eighty".