143608181 has 2 divisors, whose sum is σ = 143608182. Its totient is φ = 143608180.

The previous prime is 143608133. The next prime is 143608187. The reversal of 143608181 is 181806341.

It is a happy number.

143608181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100180081 + 43428100 = 10009^2 + 6590^2 .

It is a cyclic number.

It is not a de Polignac number, because 143608181 - 2²² = 139413877 is a prime.

It is a super-2 number, since 2×143608181² = 41246619300257522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143608187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71804090 + 71804091.

It is an arithmetic number, because the mean of its divisors is an integer number (71804091).

Almost surely, 2^143608181 is an apocalyptic number.

It is an amenable number.

143608181 is a deficient number, since it is larger than the sum of its proper divisors (1).

143608181 is an equidigital number, since it uses as much as digits as its factorization.

143608181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 143608181 is about 11983.6630877207. The cubic root of 143608181 is about 523.6724505874.

The spelling of 143608181 in words is "one hundred forty-three million, six hundred eight thousand, one hundred eighty-one".