144120089 has 2 divisors, whose sum is σ = 144120090. Its totient is φ = 144120088.

The previous prime is 144120079. The next prime is 144120157. The reversal of 144120089 is 980021441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144120025 + 64 = 12005^2 + 8^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144120089 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 (144120019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72060044 + 72060045.

It is an arithmetic number, because the mean of its divisors is an integer number (72060045).

Almost surely, 2^144120089 is an apocalyptic number.

It is an amenable number.

144120089 is a deficient number, since it is larger than the sum of its proper divisors (1).

144120089 is an equidigital number, since it uses as much as digits as its factorization.

144120089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 144120089 is about 12005.0026655557. The cubic root of 144120089 is about 524.2939430854.

The spelling of 144120089 in words is "one hundred forty-four million, one hundred twenty thousand, eighty-nine".