144131223 has 4 divisors (see below), whose sum is σ = 192174968. Its totient is φ = 96087480.

The previous prime is 144131213. The next prime is 144131257. The reversal of 144131223 is 322131441.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 144131223 - 2⁸ = 144130967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144131223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144131213) 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 in 3 ways as a sum of consecutive naturals, for example, 24021868 + ... + 24021873.

It is an arithmetic number, because the mean of its divisors is an integer number (48043742).

Almost surely, 2^144131223 is an apocalyptic number.

144131223 is a deficient number, since it is larger than the sum of its proper divisors (48043745).

144131223 is an equidigital number, since it uses as much as digits as its factorization.

144131223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48043744.

The product of its digits is 576, while the sum is 21.

The square root of 144131223 is about 12005.4663799454. The cubic root of 144131223 is about 524.3074441836.

Adding to 144131223 its reverse (322131441), we get a palindrome (466262664).

The spelling of 144131223 in words is "one hundred forty-four million, one hundred thirty-one thousand, two hundred twenty-three".