144445226 has 8 divisors (see below), whose sum is σ = 229413060. Its totient is φ = 67974208.

The previous prime is 144445207. The next prime is 144445247. The reversal of 144445226 is 622544441.

It can be written as a sum of positive squares in 2 ways, for example, as 143976001 + 469225 = 11999^2 + 685^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 144445192 and 144445201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2124161 + ... + 2124228.

Almost surely, 2^144445226 is an apocalyptic number.

144445226 is a deficient number, since it is larger than the sum of its proper divisors (84967834).

144445226 is a wasteful number, since it uses less digits than its factorization.

144445226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4248408.

The product of its digits is 30720, while the sum is 32.

The square root of 144445226 is about 12018.5367661792. The cubic root of 144445226 is about 524.6879185288.

Adding to 144445226 its reverse (622544441), we get a palindrome (766989667).

The spelling of 144445226 in words is "one hundred forty-four million, four hundred forty-five thousand, two hundred twenty-six".