244144309 has 2 divisors, whose sum is σ = 244144310. Its totient is φ = 244144308.

The previous prime is 244144289. The next prime is 244144337. The reversal of 244144309 is 903441442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243048100 + 1096209 = 15590^2 + 1047^2 .

It is a cyclic number.

It is not a de Polignac number, because 244144309 - 2¹⁵ = 244111541 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244144009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122072154 + 122072155.

It is an arithmetic number, because the mean of its divisors is an integer number (122072155).

Almost surely, 2^244144309 is an apocalyptic number.

It is an amenable number.

244144309 is a deficient number, since it is larger than the sum of its proper divisors (1).

244144309 is an equidigital number, since it uses as much as digits as its factorization.

244144309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 244144309 is about 15625.1178875553. The cubic root of 244144309 is about 625.0031436642.

The spelling of 244144309 in words is "two hundred forty-four million, one hundred forty-four thousand, three hundred nine".