143319089 has 2 divisors, whose sum is σ = 143319090. Its totient is φ = 143319088.

The previous prime is 143319079. The next prime is 143319091. The reversal of 143319089 is 980913341.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136072225 + 7246864 = 11665^2 + 2692^2 .

It is a cyclic number.

It is not a de Polignac number, because 143319089 - 2¹⁶ = 143253553 is a prime.

It is a super-2 number, since 2×143319089² = 41080722543579842, which contains 22 as substring.

Together with 143319091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (143319079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71659544 + 71659545.

It is an arithmetic number, because the mean of its divisors is an integer number (71659545).

Almost surely, 2^143319089 is an apocalyptic number.

It is an amenable number.

143319089 is a deficient number, since it is larger than the sum of its proper divisors (1).

143319089 is an equidigital number, since it uses as much as digits as its factorization.

143319089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 143319089 is about 11971.5950900454. The cubic root of 143319089 is about 523.3208197025.

The spelling of 143319089 in words is "one hundred forty-three million, three hundred nineteen thousand, eighty-nine".