144373916557 has 8 divisors (see below), whose sum is σ = 155485151640. Its totient is φ = 133263474240.

The previous prime is 144373916543. The next prime is 144373916563. The reversal of 144373916557 is 755619373441.

144373916557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 22167040996 + 122206875561 = 148886^2 + 349581^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-144373916557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144373916498 and 144373916507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144373916507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211419 + ... + 577447.

It is an arithmetic number, because the mean of its divisors is an integer number (19435643955).

Almost surely, 2^144373916557 is an apocalyptic number.

It is an amenable number.

144373916557 is a deficient number, since it is larger than the sum of its proper divisors (11111235083).

144373916557 is a wasteful number, since it uses less digits than its factorization.

144373916557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396383.

The product of its digits is 9525600, while the sum is 55.

The spelling of 144373916557 in words is "one hundred forty-four billion, three hundred seventy-three million, nine hundred sixteen thousand, five hundred fifty-seven".