280166142 has 32 divisors (see below), whose sum is σ = 569825280. Its totient is φ = 91814240.

The previous prime is 280166141. The next prime is 280166147. The reversal of 280166142 is 241661082.

280166142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280166141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203368 + ... + 204740.

It is an arithmetic number, because the mean of its divisors is an integer number (17807040).

Almost surely, 2^280166142 is an apocalyptic number.

280166142 is an abundant number, since it is smaller than the sum of its proper divisors (289659138).

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

280166142 is a wasteful number, since it uses less digits than its factorization.

280166142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 280166142 is about 16738.1642362596. The cubic root of 280166142 is about 654.3426320482.

The spelling of 280166142 in words is "two hundred eighty million, one hundred sixty-six thousand, one hundred forty-two".