144646552066261 has 16 divisors (see below), whose sum is σ = 169799081485824. Its totient is φ = 120660796810224.

The previous prime is 144646552066249. The next prime is 144646552066397. The reversal of 144646552066261 is 162660255646441.

It is a cyclic number.

It is not a de Polignac number, because 144646552066261 - 2⁵ = 144646552066229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144646552066196 and 144646552066205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144646552066661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1857881695 + ... + 1857959548.

It is an arithmetic number, because the mean of its divisors is an integer number (10612442592864).

Almost surely, 2^{144646552066261} is an apocalyptic number.

It is an amenable number.

144646552066261 is a deficient number, since it is larger than the sum of its proper divisors (25152529419563).

144646552066261 is an equidigital number, since it uses as much as digits as its factorization.

144646552066261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715841400.

The product of its (nonzero) digits is 49766400, while the sum is 58.

The spelling of 144646552066261 in words is "one hundred forty-four trillion, six hundred forty-six billion, five hundred fifty-two million, sixty-six thousand, two hundred sixty-one".