144612113505 has 16 divisors (see below), whose sum is σ = 231395647104. Its totient is φ = 77121038720.

The previous prime is 144612113483. The next prime is 144612113509. The reversal of 144612113505 is 505311216441.

144612113505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144612113505 - 2⁶ = 144612113441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144612113509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113541 + ... + 549650.

It is an arithmetic number, because the mean of its divisors is an integer number (14462227944).

Almost surely, 2^144612113505 is an apocalyptic number.

144612113505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144612113505 is a deficient number, since it is larger than the sum of its proper divisors (86783533599).

144612113505 is a wasteful number, since it uses less digits than its factorization.

144612113505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677736.

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 144612113505 its reverse (505311216441), we get a palindrome (649923329946).

The spelling of 144612113505 in words is "one hundred forty-four billion, six hundred twelve million, one hundred thirteen thousand, five hundred five".