144946939 has 2 divisors, whose sum is σ = 144946940. Its totient is φ = 144946938.

The previous prime is 144946933. The next prime is 144946961. The reversal of 144946939 is 939649441.

It is a weak prime.

It is an emirp because it is prime and its reverse (939649441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144946939 - 2¹⁹ = 144422651 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144946892 and 144946901.

It is not a weakly prime, because it can be changed into another prime (144946933) 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, 72473469 + 72473470.

It is an arithmetic number, because the mean of its divisors is an integer number (72473470).

Almost surely, 2^144946939 is an apocalyptic number.

144946939 is a deficient number, since it is larger than the sum of its proper divisors (1).

144946939 is an equidigital number, since it uses as much as digits as its factorization.

144946939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 49.

The square root of 144946939 is about 12039.3911390900. The cubic root of 144946939 is about 525.2946965284.

The spelling of 144946939 in words is "one hundred forty-four million, nine hundred forty-six thousand, nine hundred thirty-nine".