190143 has 12 divisors (see below), whose sum is σ = 282568. Its totient is φ = 123120.

The previous prime is 190129. The next prime is 190147. The reversal of 190143 is 341091.

It is not a de Polignac number, because 190143 - 2⁸ = 189887 is a prime.

It is a Duffinian number.

190143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48 + ... + 618.

2¹⁹⁰¹⁴³ is an apocalyptic number.

190143 is a deficient number, since it is larger than the sum of its proper divisors (92425).

190143 is a wasteful number, since it uses less digits than its factorization.

190143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 190143 is about 436.0538957514. The cubic root of 190143 is about 57.5033898443.

It can be divided in two parts, 190 and 143, that added together give a palindrome (333).

The spelling of 190143 in words is "one hundred ninety thousand, one hundred forty-three".