144300129781867 has 2 divisors, whose sum is σ = 144300129781868. Its totient is φ = 144300129781866.

The previous prime is 144300129781861. The next prime is 144300129781877. The reversal of 144300129781867 is 768187921003441.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144300129781867 - 2¹⁵ = 144300129749099 is a prime.

It is a super-5 number, since 5×144300129781867⁵ (a number of 72 digits) contains 55555 as substring. Note that it is a super-d number also for d = 3.

It is not a weakly prime, because it can be changed into another prime (144300129781861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72150064890933 + 72150064890934.

It is an arithmetic number, because the mean of its divisors is an integer number (72150064890934).

Almost surely, 2^{144300129781867} is an apocalyptic number.

144300129781867 is a deficient number, since it is larger than the sum of its proper divisors (1).

144300129781867 is an equidigital number, since it uses as much as digits as its factorization.

144300129781867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16257024, while the sum is 61.

The spelling of 144300129781867 in words is "one hundred forty-four trillion, three hundred billion, one hundred twenty-nine million, seven hundred eighty-one thousand, eight hundred sixty-seven".