180968143 has 2 divisors, whose sum is σ = 180968144. Its totient is φ = 180968142.

The previous prime is 180968093. The next prime is 180968153. The reversal of 180968143 is 341869081.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-180968143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 180968096 and 180968105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180968153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90484071 + 90484072.

It is an arithmetic number, because the mean of its divisors is an integer number (90484072).

Almost surely, 2^180968143 is an apocalyptic number.

180968143 is a deficient number, since it is larger than the sum of its proper divisors (1).

180968143 is an equidigital number, since it uses as much as digits as its factorization.

180968143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 180968143 is about 13452.4400388926. The cubic root of 180968143 is about 565.6320938968.

The spelling of 180968143 in words is "one hundred eighty million, nine hundred sixty-eight thousand, one hundred forty-three".