144681049 has 2 divisors, whose sum is σ = 144681050. Its totient is φ = 144681048.

The previous prime is 144681023. The next prime is 144681059. The reversal of 144681049 is 940186441.

144681049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128936025 + 15745024 = 11355^2 + 3968^2 .

It is a cyclic number.

It is not a de Polignac number, because 144681049 - 2²³ = 136292441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144680999 and 144681017.

It is not a weakly prime, because it can be changed into another prime (144681059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72340524 + 72340525.

It is an arithmetic number, because the mean of its divisors is an integer number (72340525).

Almost surely, 2^144681049 is an apocalyptic number.

It is an amenable number.

144681049 is a deficient number, since it is larger than the sum of its proper divisors (1).

144681049 is an equidigital number, since it uses as much as digits as its factorization.

144681049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 144681049 is about 12028.3435684220. The cubic root of 144681049 is about 524.9733005318.

The spelling of 144681049 in words is "one hundred forty-four million, six hundred eighty-one thousand, forty-nine".