143378291489 has 2 divisors, whose sum is σ = 143378291490. Its totient is φ = 143378291488.

The previous prime is 143378291479. The next prime is 143378291491. The reversal of 143378291489 is 984192873341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139284211264 + 4094080225 = 373208^2 + 63985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143378291489 is a prime.

It is a super-3 number, since 3×143378291489³ (a number of 34 digits) contains 333 as substring.

Together with 143378291491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (143378291479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71689145744 + 71689145745.

It is an arithmetic number, because the mean of its divisors is an integer number (71689145745).

Almost surely, 2^143378291489 is an apocalyptic number.

It is an amenable number.

143378291489 is a deficient number, since it is larger than the sum of its proper divisors (1).

143378291489 is an equidigital number, since it uses as much as digits as its factorization.

143378291489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 59.

The spelling of 143378291489 in words is "one hundred forty-three billion, three hundred seventy-eight million, two hundred ninety-one thousand, four hundred eighty-nine".