144165854361 has 32 divisors (see below), whose sum is σ = 201342468096. Its totient is φ = 91642824000.

The previous prime is 144165854303. The next prime is 144165854401. The reversal of 144165854361 is 163458561441.

It is not a de Polignac number, because 144165854361 - 2⁷ = 144165854233 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144165854361.

It is not an unprimeable number, because it can be changed into a prime (144165859361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12189831 + ... + 12201651.

It is an arithmetic number, because the mean of its divisors is an integer number (6291952128).

Almost surely, 2^144165854361 is an apocalyptic number.

It is an amenable number.

144165854361 is a deficient number, since it is larger than the sum of its proper divisors (57176613735).

144165854361 is a wasteful number, since it uses less digits than its factorization.

144165854361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13773.

The product of its digits is 1382400, while the sum is 48.

The spelling of 144165854361 in words is "one hundred forty-four billion, one hundred sixty-five million, eight hundred fifty-four thousand, three hundred sixty-one".