144015402269 has 2 divisors, whose sum is σ = 144015402270. Its totient is φ = 144015402268.

The previous prime is 144015402259. The next prime is 144015402283. The reversal of 144015402269 is 962204510441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142404343225 + 1611059044 = 377365^2 + 40138^2 .

It is a cyclic number.

It is not a de Polignac number, because 144015402269 - 2²⁴ = 143998625053 is a prime.

It is a super-2 number, since 2×144015402269² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144015402259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72007701134 + 72007701135.

It is an arithmetic number, because the mean of its divisors is an integer number (72007701135).

Almost surely, 2^144015402269 is an apocalyptic number.

It is an amenable number.

144015402269 is a deficient number, since it is larger than the sum of its proper divisors (1).

144015402269 is an equidigital number, since it uses as much as digits as its factorization.

144015402269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 144015402269 in words is "one hundred forty-four billion, fifteen million, four hundred two thousand, two hundred sixty-nine".