275381142 has 8 divisors (see below), whose sum is σ = 550762296. Its totient is φ = 91793712.

The previous prime is 275381111. The next prime is 275381167. The reversal of 275381142 is 241183572.

275381142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

275381142 is an admirable number.

It is a congruent number.

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, 22948423 + ... + 22948434.

It is an arithmetic number, because the mean of its divisors is an integer number (68845287).

Almost surely, 2^275381142 is an apocalyptic number.

275381142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

275381142 is a wasteful number, since it uses less digits than its factorization.

275381142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45896862.

The product of its digits is 13440, while the sum is 33.

The square root of 275381142 is about 16594.6118363763. The cubic root of 275381142 is about 650.5960150549.

It can be divided in two parts, 27538 and 1142, that added together give a triangular number (28680 = T₂₃₉).

The spelling of 275381142 in words is "two hundred seventy-five million, three hundred eighty-one thousand, one hundred forty-two".