144231441 has 4 divisors (see below), whose sum is σ = 192308592. Its totient is φ = 96154292.

The previous prime is 144231433. The next prime is 144231443. The reversal of 144231441 is 144132441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144231441 - 2³ = 144231433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144231443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24038571 + ... + 24038576.

It is an arithmetic number, because the mean of its divisors is an integer number (48077148).

Almost surely, 2^144231441 is an apocalyptic number.

It is an amenable number.

144231441 is a deficient number, since it is larger than the sum of its proper divisors (48077151).

144231441 is an equidigital number, since it uses as much as digits as its factorization.

144231441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48077150.

The product of its digits is 1536, while the sum is 24.

The square root of 144231441 is about 12009.6395033323. The cubic root of 144231441 is about 524.4289373351.

Adding to 144231441 its reverse (144132441), we get a palindrome (288363882).

The spelling of 144231441 in words is "one hundred forty-four million, two hundred thirty-one thousand, four hundred forty-one".