144440112 has 40 divisors (see below), whose sum is σ = 375243840. Its totient is φ = 47874880.

The previous prime is 144440111. The next prime is 144440159. The reversal of 144440112 is 211044441.

It is not an unprimeable number, because it can be changed into a prime (144440111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187 + ... + 16997.

It is an arithmetic number, because the mean of its divisors is an integer number (9381096).

Almost surely, 2^144440112 is an apocalyptic number.

144440112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144440112 is an abundant number, since it is smaller than the sum of its proper divisors (230803728).

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

144440112 is a wasteful number, since it uses less digits than its factorization.

144440112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17001 (or 16995 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 144440112 is about 12018.3240096113. The cubic root of 144440112 is about 524.6817263646.

Adding to 144440112 its reverse (211044441), we get a palindrome (355484553).

The spelling of 144440112 in words is "one hundred forty-four million, four hundred forty thousand, one hundred twelve".