144152993 has 2 divisors, whose sum is σ = 144152994. Its totient is φ = 144152992.

The previous prime is 144152971. The next prime is 144153011. The reversal of 144152993 is 399251441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140588449 + 3564544 = 11857^2 + 1888^2 .

It is an emirp because it is prime and its reverse (399251441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144152993 - 2²⁰ = 143104417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (144152693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72076496 + 72076497.

It is an arithmetic number, because the mean of its divisors is an integer number (72076497).

Almost surely, 2^144152993 is an apocalyptic number.

It is an amenable number.

144152993 is a deficient number, since it is larger than the sum of its proper divisors (1).

144152993 is an equidigital number, since it uses as much as digits as its factorization.

144152993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 38.

The square root of 144152993 is about 12006.3730160278. The cubic root of 144152993 is about 524.3338404962. Note that the first 3 decimals are identical.

The spelling of 144152993 in words is "one hundred forty-four million, one hundred fifty-two thousand, nine hundred ninety-three".