144226 has 8 divisors (see below), whose sum is σ = 222300. Its totient is φ = 70128.

The previous prime is 144223. The next prime is 144241. The reversal of 144226 is 622441.

It can be written as a sum of positive squares in 2 ways, for example, as 123201 + 21025 = 351^2 + 145^2 .

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

It is a super-2 number, since 2×144226² = 41602278152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144223) 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, 901 + ... + 1048.

2¹⁴⁴²²⁶ is an apocalyptic number.

144226 is a deficient number, since it is larger than the sum of its proper divisors (78074).

144226 is a wasteful number, since it uses less digits than its factorization.

144226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988.

The product of its digits is 384, while the sum is 19.

The square root of 144226 is about 379.7709836204. The cubic root of 144226 is about 52.4422342717.

Adding to 144226 its reverse (622441), we get a palindrome (766667).

The spelling of 144226 in words is "one hundred forty-four thousand, two hundred twenty-six".