144031218 has 24 divisors (see below), whose sum is σ = 294348912. Its totient is φ = 46984584.

The previous prime is 144031207. The next prime is 144031219. The reversal of 144031218 is 812130441.

It is not an unprimeable number, because it can be changed into a prime (144031219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7821 + ... + 18687.

It is an arithmetic number, because the mean of its divisors is an integer number (12264538).

Almost surely, 2^144031218 is an apocalyptic number.

144031218 is an abundant number, since it is smaller than the sum of its proper divisors (150317694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144031218 is a wasteful number, since it uses less digits than its factorization.

144031218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10966 (or 10919 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 144031218 is about 12001.3006795097. The cubic root of 144031218 is about 524.1861530980.

Adding to 144031218 its reverse (812130441), we get a palindrome (956161659).

The spelling of 144031218 in words is "one hundred forty-four million, thirty-one thousand, two hundred eighteen".