189043 has 2 divisors, whose sum is σ = 189044. Its totient is φ = 189042.

The previous prime is 189041. The next prime is 189061. The reversal of 189043 is 340981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 189043 - 2¹ = 189041 is a prime.

Together with 189041, it forms a pair of twin primes.

189043 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 188999 and 189017.

It is not a weakly prime, because it can be changed into another prime (189041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94521 + 94522.

It is an arithmetic number, because the mean of its divisors is an integer number (94522).

2¹⁸⁹⁰⁴³ is an apocalyptic number.

189043 is a deficient number, since it is larger than the sum of its proper divisors (1).

189043 is an equidigital number, since it uses as much as digits as its factorization.

189043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 189043 is about 434.7907542715. The cubic root of 189043 is about 57.3922873246.

The spelling of 189043 in words is "one hundred eighty-nine thousand, forty-three".