75143 has 4 divisors (see below), whose sum is σ = 75768. Its totient is φ = 74520.

The previous prime is 75133. The next prime is 75149. The reversal of 75143 is 34157.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 75143 - 2⁶ = 75079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75149) 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, 68 + ... + 393.

It is an arithmetic number, because the mean of its divisors is an integer number (18942).

2⁷⁵¹⁴³ is an apocalyptic number.

75143 is a deficient number, since it is larger than the sum of its proper divisors (625).

75143 is a wasteful number, since it uses less digits than its factorization.

75143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624.

The product of its digits is 420, while the sum is 20.

The square root of 75143 is about 274.1222355082. The cubic root of 75143 is about 42.1984186645.

The spelling of 75143 in words is "seventy-five thousand, one hundred forty-three".