143135 has 4 divisors (see below), whose sum is σ = 171768. Its totient is φ = 114504.

The previous prime is 143113. The next prime is 143137. The reversal of 143135 is 531341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531341 = 719 ⋅739.

It is a cyclic number.

It is not a de Polignac number, because 143135 - 2¹⁰ = 142111 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 143135.

It is not an unprimeable number, because it can be changed into a prime (143137) 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, 14309 + ... + 14318.

It is an arithmetic number, because the mean of its divisors is an integer number (42942).

2¹⁴³¹³⁵ is an apocalyptic number.

143135 is a deficient number, since it is larger than the sum of its proper divisors (28633).

143135 is an equidigital number, since it uses as much as digits as its factorization.

143135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28632.

The product of its digits is 180, while the sum is 17.

The square root of 143135 is about 378.3318649017. The cubic root of 143135 is about 52.3096660488.

Adding to 143135 its reverse (531341), we get a palindrome (674476).

The spelling of 143135 in words is "one hundred forty-three thousand, one hundred thirty-five".