144223013 has 8 divisors (see below), whose sum is σ = 157447200. Its totient is φ = 131017680.

The previous prime is 144222997. The next prime is 144223021. The reversal of 144223013 is 310322441.

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 144223013 - 2⁴ = 144222997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144223033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14831 + ... + 22547.

It is an arithmetic number, because the mean of its divisors is an integer number (19680900).

Almost surely, 2^144223013 is an apocalyptic number.

It is an amenable number.

144223013 is a deficient number, since it is larger than the sum of its proper divisors (13224187).

144223013 is a wasteful number, since it uses less digits than its factorization.

144223013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9427.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 144223013 is about 12009.2886134025. The cubic root of 144223013 is about 524.4187223335.

Adding to 144223013 its reverse (310322441), we get a palindrome (454545454).

The spelling of 144223013 in words is "one hundred forty-four million, two hundred twenty-three thousand, thirteen".