144873105557 has 2 divisors, whose sum is σ = 144873105558. Its totient is φ = 144873105556.

The previous prime is 144873105439. The next prime is 144873105563. The reversal of 144873105557 is 755501378441.

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., 96373614481 + 48499491076 = 310441^2 + 220226^2 .

It is a cyclic number.

It is not a de Polignac number, because 144873105557 - 2¹⁴ = 144873089173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144873605557) 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, 72436552778 + 72436552779.

It is an arithmetic number, because the mean of its divisors is an integer number (72436552779).

Almost surely, 2^144873105557 is an apocalyptic number.

It is an amenable number.

144873105557 is a deficient number, since it is larger than the sum of its proper divisors (1).

144873105557 is an equidigital number, since it uses as much as digits as its factorization.

144873105557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352000, while the sum is 50.

The spelling of 144873105557 in words is "one hundred forty-four billion, eight hundred seventy-three million, one hundred five thousand, five hundred fifty-seven".