144113213 has 4 divisors (see below), whose sum is σ = 144837600. Its totient is φ = 143388828.

The previous prime is 144113197. The next prime is 144113227. The reversal of 144113213 is 312311441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 312311441 = 13 ⋅24023957.

It is a cyclic number.

It is not a de Polignac number, because 144113213 - 2⁴ = 144113197 is a prime.

It is a super-2 number, since 2×144113213² = 41537236322366738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144113243) 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 3 ways as a sum of consecutive naturals, for example, 361895 + ... + 362292.

It is an arithmetic number, because the mean of its divisors is an integer number (36209400).

Almost surely, 2^144113213 is an apocalyptic number.

It is an amenable number.

144113213 is a deficient number, since it is larger than the sum of its proper divisors (724387).

144113213 is an equidigital number, since it uses as much as digits as its factorization.

144113213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724386.

The product of its digits is 288, while the sum is 20.

The square root of 144113213 is about 12004.7162815287. The cubic root of 144113213 is about 524.2856048944.

Adding to 144113213 its reverse (312311441), we get a palindrome (456424654).

The spelling of 144113213 in words is "one hundred forty-four million, one hundred thirteen thousand, two hundred thirteen".