144307069 has 2 divisors, whose sum is σ = 144307070. Its totient is φ = 144307068.

The previous prime is 144307049. The next prime is 144307073. The reversal of 144307069 is 960703441.

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., 143280900 + 1026169 = 11970^2 + 1013^2 .

It is a cyclic number.

It is not a de Polignac number, because 144307069 - 2²¹ = 142209917 is a prime.

It is a super-2 number, since 2×144307069² = 41649060326741522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144307019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72153534 + 72153535.

It is an arithmetic number, because the mean of its divisors is an integer number (72153535).

Almost surely, 2^144307069 is an apocalyptic number.

It is an amenable number.

144307069 is a deficient number, since it is larger than the sum of its proper divisors (1).

144307069 is an equidigital number, since it uses as much as digits as its factorization.

144307069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 144307069 is about 12012.7877280838. The cubic root of 144307069 is about 524.5205830521.

The spelling of 144307069 in words is "one hundred forty-four million, three hundred seven thousand, sixty-nine".