144190705249 has 2 divisors, whose sum is σ = 144190705250. Its totient is φ = 144190705248.

The previous prime is 144190705199. The next prime is 144190705261. The reversal of 144190705249 is 942507091441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141842624400 + 2348080849 = 376620^2 + 48457^2 .

It is a cyclic number.

It is not a de Polignac number, because 144190705249 - 2²⁷ = 144056487521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144190705199 and 144190705208.

It is not a weakly prime, because it can be changed into another prime (144190705949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72095352624 + 72095352625.

It is an arithmetic number, because the mean of its divisors is an integer number (72095352625).

Almost surely, 2^144190705249 is an apocalyptic number.

It is an amenable number.

144190705249 is a deficient number, since it is larger than the sum of its proper divisors (1).

144190705249 is an equidigital number, since it uses as much as digits as its factorization.

144190705249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 144190705249 in words is "one hundred forty-four billion, one hundred ninety million, seven hundred five thousand, two hundred forty-nine".