144786857011557 has 16 divisors (see below), whose sum is σ = 193183991258112. Its totient is φ = 96457149512640.

The previous prime is 144786857011469. The next prime is 144786857011619. The reversal of 144786857011557 is 755110758687441.

It is not a de Polignac number, because 144786857011557 - 2¹⁵ = 144786856978789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144786857011491 and 144786857011500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144786857011057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260959243 + ... + 261513479.

It is an arithmetic number, because the mean of its divisors is an integer number (12073999453632).

Almost surely, 2^{144786857011557} is an apocalyptic number.

It is an amenable number.

144786857011557 is a deficient number, since it is larger than the sum of its proper divisors (48397134246555).

144786857011557 is a wasteful number, since it uses less digits than its factorization.

144786857011557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614908.

The product of its (nonzero) digits is 263424000, while the sum is 69.

The spelling of 144786857011557 in words is "one hundred forty-four trillion, seven hundred eighty-six billion, eight hundred fifty-seven million, eleven thousand, five hundred fifty-seven".