144720064187 has 2 divisors, whose sum is σ = 144720064188. Its totient is φ = 144720064186.

The previous prime is 144720064163. The next prime is 144720064231. The reversal of 144720064187 is 781460027441.

It is an a-pointer prime, because the next prime (144720064231) can be obtained adding 144720064187 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144720064187 - 2⁸ = 144720063931 is a prime.

It is not a weakly prime, because it can be changed into another prime (144720064787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72360032093 + 72360032094.

It is an arithmetic number, because the mean of its divisors is an integer number (72360032094).

Almost surely, 2^144720064187 is an apocalyptic number.

144720064187 is a deficient number, since it is larger than the sum of its proper divisors (1).

144720064187 is an equidigital number, since it uses as much as digits as its factorization.

144720064187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 301056, while the sum is 44.

The spelling of 144720064187 in words is "one hundred forty-four billion, seven hundred twenty million, sixty-four thousand, one hundred eighty-seven".