144764923 has 2 divisors, whose sum is σ = 144764924. Its totient is φ = 144764922.

The previous prime is 144764903. The next prime is 144764951. The reversal of 144764923 is 329467441.

It is a weak prime.

It is an emirp because it is prime and its reverse (329467441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144764923 - 2²¹ = 142667771 is a prime.

It is not a weakly prime, because it can be changed into another prime (144764903) 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, 72382461 + 72382462.

It is an arithmetic number, because the mean of its divisors is an integer number (72382462).

Almost surely, 2^144764923 is an apocalyptic number.

144764923 is a deficient number, since it is larger than the sum of its proper divisors (1).

144764923 is an equidigital number, since it uses as much as digits as its factorization.

144764923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The square root of 144764923 is about 12031.8295782479. The cubic root of 144764923 is about 525.0747261736.

The spelling of 144764923 in words is "one hundred forty-four million, seven hundred sixty-four thousand, nine hundred twenty-three".