144321243 has 16 divisors (see below), whose sum is σ = 212284800. Its totient is φ = 86482880.

The previous prime is 144321241. The next prime is 144321269. The reversal of 144321243 is 342123441.

144321243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144321243 - 2¹ = 144321241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144321241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21633 + ... + 27506.

It is an arithmetic number, because the mean of its divisors is an integer number (13267800).

Almost surely, 2^144321243 is an apocalyptic number.

144321243 is a deficient number, since it is larger than the sum of its proper divisors (67963557).

144321243 is a wasteful number, since it uses less digits than its factorization.

144321243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49242.

The product of its digits is 2304, while the sum is 24.

The square root of 144321243 is about 12013.3776682497. The cubic root of 144321243 is about 524.5377554873.

Adding to 144321243 its reverse (342123441), we get a palindrome (486444684).

The spelling of 144321243 in words is "one hundred forty-four million, three hundred twenty-one thousand, two hundred forty-three".