144424031 has 8 divisors (see below), whose sum is σ = 150325680. Its totient is φ = 138583872.

The previous prime is 144424013. The next prime is 144424037. The reversal of 144424031 is 130424441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144424031 - 2⁶ = 144423967 is a prime.

It is a super-2 number, since 2×144424031² = 41716601460577922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144423988 and 144424006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144424037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10550 + ... + 20003.

It is an arithmetic number, because the mean of its divisors is an integer number (18790710).

Almost surely, 2^144424031 is an apocalyptic number.

144424031 is a deficient number, since it is larger than the sum of its proper divisors (5901649).

144424031 is a wasteful number, since it uses less digits than its factorization.

144424031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30745.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 144424031 is about 12017.6549709167. The cubic root of 144424031 is about 524.6622541190.

Adding to 144424031 its reverse (130424441), we get a palindrome (274848472).

The spelling of 144424031 in words is "one hundred forty-four million, four hundred twenty-four thousand, thirty-one".