144243523 has 2 divisors, whose sum is σ = 144243524. Its totient is φ = 144243522.

The previous prime is 144243509. The next prime is 144243551. The reversal of 144243523 is 325342441.

It is a happy number.

144243523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (144243551) can be obtained adding 144243523 to its sum of digits (28).

It is a weak prime.

It is an emirp because it is prime and its reverse (325342441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144243523 is a prime.

It is equal to p_8138431 and since 144243523 and 8138431 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 144243491 and 144243500.

It is not a weakly prime, because it can be changed into another prime (144243553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72121761 + 72121762.

It is an arithmetic number, because the mean of its divisors is an integer number (72121762).

Almost surely, 2^144243523 is an apocalyptic number.

144243523 is a deficient number, since it is larger than the sum of its proper divisors (1).

144243523 is an equidigital number, since it uses as much as digits as its factorization.

144243523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 28.

The square root of 144243523 is about 12010.1425053993. The cubic root of 144243523 is about 524.4435804056.

Adding to 144243523 its reverse (325342441), we get a palindrome (469585964).

The spelling of 144243523 in words is "one hundred forty-four million, two hundred forty-three thousand, five hundred twenty-three".