144786857011556 has 6 divisors (see below), whose sum is σ = 253376999770230. Its totient is φ = 72393428505776.

The previous prime is 144786857011469. The next prime is 144786857011619. The reversal of 144786857011556 is 655110758687441.

It can be written as a sum of positive squares in only one way, i.e., 113884754022400 + 30902102989156 = 10671680^2 + 5558966^2 .

It is a super-2 number, since 2×144786857011556² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18098357126441 + ... + 18098357126448.

It is an arithmetic number, because the mean of its divisors is an integer number (42229499961705).

Almost surely, 2^{144786857011556} is an apocalyptic number.

It is an amenable number.

144786857011556 is a deficient number, since it is larger than the sum of its proper divisors (108590142758674).

144786857011556 is a wasteful number, since it uses less digits than its factorization.

144786857011556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36196714252893 (or 36196714252891 counting only the distinct ones).

The product of its (nonzero) digits is 225792000, while the sum is 68.

The spelling of 144786857011556 in words is "one hundred forty-four trillion, seven hundred eighty-six billion, eight hundred fifty-seven million, eleven thousand, five hundred fifty-six".