144408293 has 2 divisors, whose sum is σ = 144408294. Its totient is φ = 144408292.

The previous prime is 144408281. The next prime is 144408301. The reversal of 144408293 is 392804441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144408289 + 4 = 12017^2 + 2^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144408293 is a prime.

It is a Chen prime.

It is equal to p_8147258 and since 144408293 and 8147258 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144408193) 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, 72204146 + 72204147.

It is an arithmetic number, because the mean of its divisors is an integer number (72204147).

Almost surely, 2^144408293 is an apocalyptic number.

It is an amenable number.

144408293 is a deficient number, since it is larger than the sum of its proper divisors (1).

144408293 is an equidigital number, since it uses as much as digits as its factorization.

144408293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 144408293 is about 12017.0001664309. Note that the first 3 decimals coincide. The cubic root of 144408293 is about 524.6431958076.

The spelling of 144408293 in words is "one hundred forty-four million, four hundred eight thousand, two hundred ninety-three".