144011213 has 4 divisors (see below), whose sum is σ = 148656768. Its totient is φ = 139365660.

The previous prime is 144011209. The next prime is 144011227. The reversal of 144011213 is 312110441.

It is a happy number.

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: 312110441 = 29 ⋅10762429.

It is a cyclic number.

It is not a de Polignac number, because 144011213 - 2² = 144011209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144011191 and 144011200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144011113) 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, 2322731 + ... + 2322792.

It is an arithmetic number, because the mean of its divisors is an integer number (37164192).

Almost surely, 2^144011213 is an apocalyptic number.

It is an amenable number.

144011213 is a deficient number, since it is larger than the sum of its proper divisors (4645555).

144011213 is an equidigital number, since it uses as much as digits as its factorization.

144011213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645554.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 144011213 is about 12000.4671992385. The cubic root of 144011213 is about 524.1618832911.

Adding to 144011213 its reverse (312110441), we get a palindrome (456121654).

The spelling of 144011213 in words is "one hundred forty-four million, eleven thousand, two hundred thirteen".