144928243 has 2 divisors, whose sum is σ = 144928244. Its totient is φ = 144928242.

The previous prime is 144928237. The next prime is 144928261. The reversal of 144928243 is 342829441.

It is a weak prime.

It is an emirp because it is prime and its reverse (342829441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144928243 is a prime.

It is not a weakly prime, because it can be changed into another prime (144928643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72464121 + 72464122.

It is an arithmetic number, because the mean of its divisors is an integer number (72464122).

Almost surely, 2^144928243 is an apocalyptic number.

144928243 is a deficient number, since it is larger than the sum of its proper divisors (1).

144928243 is an equidigital number, since it uses as much as digits as its factorization.

144928243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 37.

The square root of 144928243 is about 12038.6146628256. The cubic root of 144928243 is about 525.2721104887.

It can be divided in two parts, 1449 and 28243, that added together give a palindrome (29692).

The spelling of 144928243 in words is "one hundred forty-four million, nine hundred twenty-eight thousand, two hundred forty-three".