330142289 has 2 divisors, whose sum is σ = 330142290. Its totient is φ = 330142288.

The previous prime is 330142283. The next prime is 330142303. The reversal of 330142289 is 982241033.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330039889 + 102400 = 18167^2 + 320^2 .

It is a cyclic number.

It is not a de Polignac number, because 330142289 - 2⁴ = 330142273 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (330142283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165071144 + 165071145.

It is an arithmetic number, because the mean of its divisors is an integer number (165071145).

Almost surely, 2^330142289 is an apocalyptic number.

It is an amenable number.

330142289 is a deficient number, since it is larger than the sum of its proper divisors (1).

330142289 is an equidigital number, since it uses as much as digits as its factorization.

330142289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 330142289 is about 18169.8180783408. The cubic root of 330142289 is about 691.1416296599.

The spelling of 330142289 in words is "three hundred thirty million, one hundred forty-two thousand, two hundred eighty-nine".