144020042249 has 2 divisors, whose sum is σ = 144020042250. Its totient is φ = 144020042248.

The previous prime is 144020042233. The next prime is 144020042263. The reversal of 144020042249 is 942240020441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85245313024 + 58774729225 = 291968^2 + 242435^2 .

It is an emirp because it is prime and its reverse (942240020441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144020042249 - 2⁴ = 144020042233 is a prime.

It is not a weakly prime, because it can be changed into another prime (144020042209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72010021124 + 72010021125.

It is an arithmetic number, because the mean of its divisors is an integer number (72010021125).

Almost surely, 2^144020042249 is an apocalyptic number.

It is an amenable number.

144020042249 is a deficient number, since it is larger than the sum of its proper divisors (1).

144020042249 is an equidigital number, since it uses as much as digits as its factorization.

144020042249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 144020042249 in words is "one hundred forty-four billion, twenty million, forty-two thousand, two hundred forty-nine".