143489371 has 2 divisors, whose sum is σ = 143489372. Its totient is φ = 143489370.

The previous prime is 143489347. The next prime is 143489377. The reversal of 143489371 is 173984341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143489371 - 2⁷ = 143489243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (143489377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71744685 + 71744686.

It is an arithmetic number, because the mean of its divisors is an integer number (71744686).

Almost surely, 2^143489371 is an apocalyptic number.

143489371 is a deficient number, since it is larger than the sum of its proper divisors (1).

143489371 is an equidigital number, since it uses as much as digits as its factorization.

143489371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 143489371 is about 11978.7048966071. The cubic root of 143489371 is about 523.5279957491.

The spelling of 143489371 in words is "one hundred forty-three million, four hundred eighty-nine thousand, three hundred seventy-one".