144516226 has 16 divisors (see below), whose sum is σ = 224363160. Its totient is φ = 69765120.

The previous prime is 144516217. The next prime is 144516227. The reversal of 144516226 is 622615441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 56175025 + 88341201 = 7495^2 + 9399^2 .

It is not an unprimeable number, because it can be changed into a prime (144516227) 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, 1131 + ... + 17038.

Almost surely, 2^144516226 is an apocalyptic number.

144516226 is a deficient number, since it is larger than the sum of its proper divisors (79846934).

144516226 is a wasteful number, since it uses less digits than its factorization.

144516226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18309.

The product of its digits is 11520, while the sum is 31.

The square root of 144516226 is about 12021.4901738512. The cubic root of 144516226 is about 524.7738720795.

It can be divided in two parts, 1445 and 16226, that added together give a palindrome (17671).

The spelling of 144516226 in words is "one hundred forty-four million, five hundred sixteen thousand, two hundred twenty-six".