144055429981 has 2 divisors, whose sum is σ = 144055429982. Its totient is φ = 144055429980.

The previous prime is 144055429979. The next prime is 144055430017. The reversal of 144055429981 is 189924550441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132791004025 + 11264425956 = 364405^2 + 106134^2 .

It is a cyclic number.

It is not a de Polignac number, because 144055429981 - 2¹ = 144055429979 is a prime.

It is a super-2 number, since 2×144055429981² (a number of 23 digits) contains 22 as substring.

Together with 144055429979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144055429901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72027714990 + 72027714991.

It is an arithmetic number, because the mean of its divisors is an integer number (72027714991).

Almost surely, 2^144055429981 is an apocalyptic number.

It is an amenable number.

144055429981 is a deficient number, since it is larger than the sum of its proper divisors (1).

144055429981 is an equidigital number, since it uses as much as digits as its factorization.

144055429981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 52.

The spelling of 144055429981 in words is "one hundred forty-four billion, fifty-five million, four hundred twenty-nine thousand, nine hundred eighty-one".