144384818 has 4 divisors (see below), whose sum is σ = 216577230. Its totient is φ = 72192408.

The previous prime is 144384811. The next prime is 144384839. The reversal of 144384818 is 818483441.

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., 105534529 + 38850289 = 10273^2 + 6233^2 .

It is not an unprimeable number, because it can be changed into a prime (144384811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36096203 + ... + 36096206.

Almost surely, 2^144384818 is an apocalyptic number.

144384818 is a deficient number, since it is larger than the sum of its proper divisors (72192412).

144384818 is an equidigital number, since it uses as much as digits as its factorization.

144384818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72192411.

The product of its digits is 98304, while the sum is 41.

The square root of 144384818 is about 12016.0233854633. The cubic root of 144384818 is about 524.6147656157.

The spelling of 144384818 in words is "one hundred forty-four million, three hundred eighty-four thousand, eight hundred eighteen".