144557276621656 has 16 divisors (see below), whose sum is σ = 272228495824800. Its totient is φ = 71963011068384.

The previous prime is 144557276621623. The next prime is 144557276621699. The reversal of 144557276621656 is 656126672755441.

It is a junction number, because it is equal to n+sod(n) for n = 144557276621591 and 144557276621600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39453403360 + ... + 39453407023.

It is an arithmetic number, because the mean of its divisors is an integer number (17014280989050).

Almost surely, 2^{144557276621656} is an apocalyptic number.

It is an amenable number.

144557276621656 is a deficient number, since it is larger than the sum of its proper divisors (127671219203144).

144557276621656 is a wasteful number, since it uses less digits than its factorization.

144557276621656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78906810618 (or 78906810614 counting only the distinct ones).

The product of its digits is 508032000, while the sum is 67.

The spelling of 144557276621656 in words is "one hundred forty-four trillion, five hundred fifty-seven billion, two hundred seventy-six million, six hundred twenty-one thousand, six hundred fifty-six".