144540263446161 has 32 divisors (see below), whose sum is σ = 217371700656000. Its totient is φ = 84660556884480.

The previous prime is 144540263446097. The next prime is 144540263446283. The reversal of 144540263446161 is 161644362045441.

It is not a de Polignac number, because 144540263446161 - 2⁶ = 144540263446097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144540263442161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 397061676 + ... + 397425533.

It is an arithmetic number, because the mean of its divisors is an integer number (6792865645500).

Almost surely, 2^{144540263446161} is an apocalyptic number.

144540263446161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144540263446161 is a deficient number, since it is larger than the sum of its proper divisors (72831437209839).

144540263446161 is a wasteful number, since it uses less digits than its factorization.

144540263446161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794487409.

The product of its (nonzero) digits is 6635520, while the sum is 51.

The spelling of 144540263446161 in words is "one hundred forty-four trillion, five hundred forty billion, two hundred sixty-three million, four hundred forty-six thousand, one hundred sixty-one".