142242180 has 24 divisors (see below), whose sum is σ = 398278272. Its totient is φ = 37931232.

The previous prime is 142242173. The next prime is 142242211. The reversal of 142242180 is 81242241.

It is a self number, because there is not a number n which added to its sum of digits gives 142242180.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185292 + ... + 1185411.

It is an arithmetic number, because the mean of its divisors is an integer number (16594928).

Almost surely, 2^142242180 is an apocalyptic number.

142242180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142242180 is an abundant number, since it is smaller than the sum of its proper divisors (256036092).

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

142242180 is a wasteful number, since it uses less digits than its factorization.

142242180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370715 (or 2370713 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 142242180 is about 11926.5326059169. The cubic root of 142242180 is about 522.0067672821.

The spelling of 142242180 in words is "one hundred forty-two million, two hundred forty-two thousand, one hundred eighty".