143924189 has 2 divisors, whose sum is σ = 143924190. Its totient is φ = 143924188.

The previous prime is 143924173. The next prime is 143924201. The reversal of 143924189 is 981429341.

143924189 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., 129163225 + 14760964 = 11365^2 + 3842^2 .

It is a cyclic number.

It is not a de Polignac number, because 143924189 - 2⁴ = 143924173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143924489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71962094 + 71962095.

It is an arithmetic number, because the mean of its divisors is an integer number (71962095).

Almost surely, 2^143924189 is an apocalyptic number.

It is an amenable number.

143924189 is a deficient number, since it is larger than the sum of its proper divisors (1).

143924189 is an equidigital number, since it uses as much as digits as its factorization.

143924189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The square root of 143924189 is about 11996.8407924753. The cubic root of 143924189 is about 524.0562807389.

It can be divided in two parts, 14392 and 4189, that added together give a palindrome (18581).

The spelling of 143924189 in words is "one hundred forty-three million, nine hundred twenty-four thousand, one hundred eighty-nine".