144423213 has 8 divisors (see below), whose sum is σ = 210070176. Its totient is φ = 87529200.

The previous prime is 144423179. The next prime is 144423221. The reversal of 144423213 is 312324441.

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

It is not a de Polignac number, because 144423213 - 2¹⁰ = 144422189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144423263) 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, 2188198 + ... + 2188263.

It is an arithmetic number, because the mean of its divisors is an integer number (26258772).

Almost surely, 2^144423213 is an apocalyptic number.

It is an amenable number.

144423213 is a deficient number, since it is larger than the sum of its proper divisors (65646963).

144423213 is a wasteful number, since it uses less digits than its factorization.

144423213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376475.

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

The square root of 144423213 is about 12017.6209376066. The cubic root of 144423213 is about 524.6612635763.

Adding to 144423213 its reverse (312324441), we get a palindrome (456747654).

The spelling of 144423213 in words is "one hundred forty-four million, four hundred twenty-three thousand, two hundred thirteen".