144285878881 has 2 divisors, whose sum is σ = 144285878882. Its totient is φ = 144285878880.

The previous prime is 144285878879. The next prime is 144285878887. The reversal of 144285878881 is 188878582441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83126115856 + 61159763025 = 288316^2 + 247305^2 .

It is an emirp because it is prime and its reverse (188878582441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144285878881 - 2¹ = 144285878879 is a prime.

It is a super-2 number, since 2×144285878881² (a number of 23 digits) contains 22 as substring.

Together with 144285878879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (144285878887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72142939440 + 72142939441.

It is an arithmetic number, because the mean of its divisors is an integer number (72142939441).

Almost surely, 2^144285878881 is an apocalyptic number.

It is an amenable number.

144285878881 is a deficient number, since it is larger than the sum of its proper divisors (1).

144285878881 is an equidigital number, since it uses as much as digits as its factorization.

144285878881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36700160, while the sum is 64.

The spelling of 144285878881 in words is "one hundred forty-four billion, two hundred eighty-five million, eight hundred seventy-eight thousand, eight hundred eighty-one".