144338066 has 4 divisors (see below), whose sum is σ = 216507102. Its totient is φ = 72169032.

The previous prime is 144338059. The next prime is 144338069. The reversal of 144338066 is 660833441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 138744841 + 5593225 = 11779^2 + 2365^2 .

It is not an unprimeable number, because it can be changed into a prime (144338069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36084515 + ... + 36084518.

Almost surely, 2^144338066 is an apocalyptic number.

144338066 is a deficient number, since it is larger than the sum of its proper divisors (72169036).

144338066 is an equidigital number, since it uses as much as digits as its factorization.

144338066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72169035.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 144338066 is about 12014.0778256177. The cubic root of 144338066 is about 524.5581358453.

The spelling of 144338066 in words is "one hundred forty-four million, three hundred thirty-eight thousand, sixty-six".