144720064459 has 2 divisors, whose sum is σ = 144720064460. Its totient is φ = 144720064458.

The previous prime is 144720064403. The next prime is 144720064471. The reversal of 144720064459 is 954460027441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144720064459 - 2²³ = 144711675851 is a prime.

It is a super-2 number, since 2×144720064459² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144720061459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72360032229 + 72360032230.

It is an arithmetic number, because the mean of its divisors is an integer number (72360032230).

Almost surely, 2^144720064459 is an apocalyptic number.

144720064459 is a deficient number, since it is larger than the sum of its proper divisors (1).

144720064459 is an equidigital number, since it uses as much as digits as its factorization.

144720064459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 144720064459 in words is "one hundred forty-four billion, seven hundred twenty million, sixty-four thousand, four hundred fifty-nine".