144252649 has 2 divisors, whose sum is σ = 144252650. Its totient is φ = 144252648.

The previous prime is 144252631. The next prime is 144252727. The reversal of 144252649 is 946252441.

144252649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89965225 + 54287424 = 9485^2 + 7368^2 .

It is a cyclic number.

It is not a de Polignac number, because 144252649 - 2¹⁷ = 144121577 is a prime.

It is not a weakly prime, because it can be changed into another prime (144252629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72126324 + 72126325.

It is an arithmetic number, because the mean of its divisors is an integer number (72126325).

Almost surely, 2^144252649 is an apocalyptic number.

It is an amenable number.

144252649 is a deficient number, since it is larger than the sum of its proper divisors (1).

144252649 is an equidigital number, since it uses as much as digits as its factorization.

144252649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 37.

The square root of 144252649 is about 12010.5224282710. The cubic root of 144252649 is about 524.4546403388.

The spelling of 144252649 in words is "one hundred forty-four million, two hundred fifty-two thousand, six hundred forty-nine".