275143 has 4 divisors (see below), whose sum is σ = 300168. Its totient is φ = 250120.

The previous prime is 275131. The next prime is 275147. The reversal of 275143 is 341572.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 275143 - 2¹⁷ = 144071 is a prime.

It is an Ulam number.

275143 is a lucky number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12496 + ... + 12517.

It is an arithmetic number, because the mean of its divisors is an integer number (75042).

2²⁷⁵¹⁴³ is an apocalyptic number.

275143 is a deficient number, since it is larger than the sum of its proper divisors (25025).

275143 is a wasteful number, since it uses less digits than its factorization.

275143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25024.

The product of its digits is 840, while the sum is 22.

The square root of 275143 is about 524.5407515151. The cubic root of 275143 is about 65.0408421819.

The spelling of 275143 in words is "two hundred seventy-five thousand, one hundred forty-three".