144967709 has 2 divisors, whose sum is σ = 144967710. Its totient is φ = 144967708.

The previous prime is 144967657. The next prime is 144967727. The reversal of 144967709 is 907769441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144240100 + 727609 = 12010^2 + 853^2 .

It is a cyclic number.

It is not a de Polignac number, because 144967709 - 2¹² = 144963613 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144967909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72483854 + 72483855.

It is an arithmetic number, because the mean of its divisors is an integer number (72483855).

Almost surely, 2^144967709 is an apocalyptic number.

It is an amenable number.

144967709 is a deficient number, since it is larger than the sum of its proper divisors (1).

144967709 is an equidigital number, since it uses as much as digits as its factorization.

144967709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 144967709 is about 12040.2536933405. The cubic root of 144967709 is about 525.3197858239.

The spelling of 144967709 in words is "one hundred forty-four million, nine hundred sixty-seven thousand, seven hundred nine".