144121431473 has 2 divisors, whose sum is σ = 144121431474. Its totient is φ = 144121431472.

The previous prime is 144121431397. The next prime is 144121431491. The reversal of 144121431473 is 374134121441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116156227489 + 27965203984 = 340817^2 + 167228^2 .

It is a cyclic number.

It is not a de Polignac number, because 144121431473 - 2²⁴ = 144104654257 is a prime.

It is not a weakly prime, because it can be changed into another prime (144121431073) 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, 72060715736 + 72060715737.

It is an arithmetic number, because the mean of its divisors is an integer number (72060715737).

Almost surely, 2^144121431473 is an apocalyptic number.

It is an amenable number.

144121431473 is a deficient number, since it is larger than the sum of its proper divisors (1).

144121431473 is an equidigital number, since it uses as much as digits as its factorization.

144121431473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 35.

The spelling of 144121431473 in words is "one hundred forty-four billion, one hundred twenty-one million, four hundred thirty-one thousand, four hundred seventy-three".