144140440115 has 24 divisors (see below), whose sum is σ = 201268783872. Its totient is φ = 98809441920.

The previous prime is 144140440099. The next prime is 144140440139. The reversal of 144140440115 is 511044041441.

It is a happy number.

It is not a de Polignac number, because 144140440115 - 2⁴ = 144140440099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 744047 + ... + 917543.

It is an arithmetic number, because the mean of its divisors is an integer number (8386199328).

Almost surely, 2^144140440115 is an apocalyptic number.

144140440115 is a deficient number, since it is larger than the sum of its proper divisors (57128343757).

144140440115 is a wasteful number, since it uses less digits than its factorization.

144140440115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176907 (or 176900 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

Adding to 144140440115 its reverse (511044041441), we get a palindrome (655184481556).

The spelling of 144140440115 in words is "one hundred forty-four billion, one hundred forty million, four hundred forty thousand, one hundred fifteen".