144432155489 has 2 divisors, whose sum is σ = 144432155490. Its totient is φ = 144432155488.

The previous prime is 144432155479. The next prime is 144432155563. The reversal of 144432155489 is 984551234441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134589928225 + 9842227264 = 366865^2 + 99208^2 .

It is a cyclic number.

It is not a de Polignac number, because 144432155489 - 2¹⁶ = 144432089953 is a prime.

It is not a weakly prime, because it can be changed into another prime (144432155479) 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, 72216077744 + 72216077745.

It is an arithmetic number, because the mean of its divisors is an integer number (72216077745).

Almost surely, 2^144432155489 is an apocalyptic number.

It is an amenable number.

144432155489 is a deficient number, since it is larger than the sum of its proper divisors (1).

144432155489 is an equidigital number, since it uses as much as digits as its factorization.

144432155489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2764800, while the sum is 50.

The spelling of 144432155489 in words is "one hundred forty-four billion, four hundred thirty-two million, one hundred fifty-five thousand, four hundred eighty-nine".