144100309 has 2 divisors, whose sum is σ = 144100310. Its totient is φ = 144100308.

The previous prime is 144100291. The next prime is 144100337. The reversal of 144100309 is 903001441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81848209 + 62252100 = 9047^2 + 7890^2 .

It is a cyclic number.

It is not a de Polignac number, because 144100309 - 2⁹ = 144099797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144100309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144100349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72050154 + 72050155.

It is an arithmetic number, because the mean of its divisors is an integer number (72050155).

Almost surely, 2^144100309 is an apocalyptic number.

It is an amenable number.

144100309 is a deficient number, since it is larger than the sum of its proper divisors (1).

144100309 is an equidigital number, since it uses as much as digits as its factorization.

144100309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 144100309 is about 12004.1788140630. The cubic root of 144100309 is about 524.2699561248.

The spelling of 144100309 in words is "one hundred forty-four million, one hundred thousand, three hundred nine".