143434289 has 2 divisors, whose sum is σ = 143434290. Its totient is φ = 143434288.

The previous prime is 143434273. The next prime is 143434307. The reversal of 143434289 is 982434341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82719025 + 60715264 = 9095^2 + 7792^2 .

It is a cyclic number.

It is not a de Polignac number, because 143434289 - 2⁴ = 143434273 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (143430289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71717144 + 71717145.

It is an arithmetic number, because the mean of its divisors is an integer number (71717145).

Almost surely, 2^143434289 is an apocalyptic number.

It is an amenable number.

143434289 is a deficient number, since it is larger than the sum of its proper divisors (1).

143434289 is an equidigital number, since it uses as much as digits as its factorization.

143434289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 38.

The square root of 143434289 is about 11976.4055125067. The cubic root of 143434289 is about 523.4609973840.

The spelling of 143434289 in words is "one hundred forty-three million, four hundred thirty-four thousand, two hundred eighty-nine".