144780887271 has 4 divisors (see below), whose sum is σ = 193041183032. Its totient is φ = 96520591512.

The previous prime is 144780887257. The next prime is 144780887323. The reversal of 144780887271 is 172788087441.

144780887271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 144780887271 - 2⁵ = 144780887239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144780887221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24130147876 + ... + 24130147881.

It is an arithmetic number, because the mean of its divisors is an integer number (48260295758).

Almost surely, 2^144780887271 is an apocalyptic number.

144780887271 is a deficient number, since it is larger than the sum of its proper divisors (48260295761).

144780887271 is an equidigital number, since it uses as much as digits as its factorization.

144780887271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48260295760.

The product of its (nonzero) digits is 5619712, while the sum is 57.

The spelling of 144780887271 in words is "one hundred forty-four billion, seven hundred eighty million, eight hundred eighty-seven thousand, two hundred seventy-one".