244148447 has 2 divisors, whose sum is σ = 244148448. Its totient is φ = 244148446.

The previous prime is 244148393. The next prime is 244148497. The reversal of 244148447 is 744841442.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 244148447 - 2⁶ = 244148383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244148447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244148497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122074223 + 122074224.

It is an arithmetic number, because the mean of its divisors is an integer number (122074224).

Almost surely, 2^244148447 is an apocalyptic number.

244148447 is a deficient number, since it is larger than the sum of its proper divisors (1).

244148447 is an equidigital number, since it uses as much as digits as its factorization.

244148447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 114688, while the sum is 38.

The square root of 244148447 is about 15625.2503019952. The cubic root of 244148447 is about 625.0066747021.

Adding to 244148447 its reverse (744841442), we get a palindrome (988989889).

The spelling of 244148447 in words is "two hundred forty-four million, one hundred forty-eight thousand, four hundred forty-seven".