144314221 has 8 divisors (see below), whose sum is σ = 145938240. Its totient is φ = 142696512.

The previous prime is 144314201. The next prime is 144314251. The reversal of 144314221 is 122413441.

It is a happy number.

144314221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 144314221 - 2⁵ = 144314189 is a prime.

It is a super-3 number, since 3×144314221³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144314192 and 144314201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144314201) 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, 55570 + ... + 58108.

It is an arithmetic number, because the mean of its divisors is an integer number (18242280).

Almost surely, 2^144314221 is an apocalyptic number.

It is an amenable number.

144314221 is a deficient number, since it is larger than the sum of its proper divisors (1624019).

144314221 is a wasteful number, since it uses less digits than its factorization.

144314221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155.

The product of its digits is 768, while the sum is 22.

The square root of 144314221 is about 12013.0854071716. The cubic root of 144314221 is about 524.5292481606.

Adding to 144314221 its reverse (122413441), we get a palindrome (266727662).

The spelling of 144314221 in words is "one hundred forty-four million, three hundred fourteen thousand, two hundred twenty-one".