144732226 has 8 divisors (see below), whose sum is σ = 217432764. Its totient is φ = 72254640.

The previous prime is 144732191. The next prime is 144732229. The reversal of 144732226 is 622237441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 117744201 + 26988025 = 10851^2 + 5195^2 .

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

It is not an unprimeable number, because it can be changed into a prime (144732229) 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, 54105 + ... + 56716.

Almost surely, 2^144732226 is an apocalyptic number.

144732226 is a deficient number, since it is larger than the sum of its proper divisors (72700538).

144732226 is a wasteful number, since it uses less digits than its factorization.

144732226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111476.

The product of its digits is 16128, while the sum is 31.

The square root of 144732226 is about 12030.4707306073. The cubic root of 144732226 is about 525.0351915941.

Adding to 144732226 its reverse (622237441), we get a palindrome (766969667).

The spelling of 144732226 in words is "one hundred forty-four million, seven hundred thirty-two thousand, two hundred twenty-six".