143900089 has 2 divisors, whose sum is σ = 143900090. Its totient is φ = 143900088.

The previous prime is 143900083. The next prime is 143900111. The reversal of 143900089 is 980009341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133010089 + 10890000 = 11533^2 + 3300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143900089 is a prime.

It is a super-2 number, since 2×143900089² = 41414471228415842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (143900083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71950044 + 71950045.

It is an arithmetic number, because the mean of its divisors is an integer number (71950045).

Almost surely, 2^143900089 is an apocalyptic number.

It is an amenable number.

143900089 is a deficient number, since it is larger than the sum of its proper divisors (1).

143900089 is an equidigital number, since it uses as much as digits as its factorization.

143900089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 143900089 is about 11995.8363193235. The cubic root of 143900089 is about 524.0270281593.

The spelling of 143900089 in words is "one hundred forty-three million, nine hundred thousand, eighty-nine".