144640112 has 10 divisors (see below), whose sum is σ = 280240248. Its totient is φ = 72320048.

The previous prime is 144640091. The next prime is 144640129. The reversal of 144640112 is 211046441.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4519988 + ... + 4520019.

Almost surely, 2^144640112 is an apocalyptic number.

It is an amenable number.

144640112 is a deficient number, since it is larger than the sum of its proper divisors (135600136).

144640112 is an equidigital number, since it uses as much as digits as its factorization.

144640112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9040015 (or 9040009 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 144640112 is about 12026.6417590282. The cubic root of 144640112 is about 524.9237827376.

Adding to 144640112 its reverse (211046441), we get a palindrome (355686553).

The spelling of 144640112 in words is "one hundred forty-four million, six hundred forty thousand, one hundred twelve".