975143 has 4 divisors (see below), whose sum is σ = 1050168. Its totient is φ = 900120.

The previous prime is 975133. The next prime is 975151. The reversal of 975143 is 341579.

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

It is not a de Polignac number, because 975143 - 2⁸ = 974887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 975143.

It is not an unprimeable number, because it can be changed into a prime (975133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37493 + ... + 37518.

It is an arithmetic number, because the mean of its divisors is an integer number (262542).

2⁹⁷⁵¹⁴³ is an apocalyptic number.

975143 is a deficient number, since it is larger than the sum of its proper divisors (75025).

975143 is a wasteful number, since it uses less digits than its factorization.

975143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75024.

The product of its digits is 3780, while the sum is 29.

The square root of 975143 is about 987.4932911165. The cubic root of 975143 is about 99.1644717009.

The spelling of 975143 in words is "nine hundred seventy-five thousand, one hundred forty-three".