144542344515 has 16 divisors (see below), whose sum is σ = 231409065888. Its totient is φ = 77042145536.

The previous prime is 144542344481. The next prime is 144542344577. The reversal of 144542344515 is 515443245441.

It is a cyclic number.

It is not a de Polignac number, because 144542344515 - 2¹⁴ = 144542328131 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 2918682 + ... + 2967791.

It is an arithmetic number, because the mean of its divisors is an integer number (14463066618).

Almost surely, 2^144542344515 is an apocalyptic number.

144542344515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144542344515 is a deficient number, since it is larger than the sum of its proper divisors (86866721373).

144542344515 is a wasteful number, since it uses less digits than its factorization.

144542344515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5888118.

The product of its digits is 768000, while the sum is 42.

Adding to 144542344515 its reverse (515443245441), we get a palindrome (659985589956).

The spelling of 144542344515 in words is "one hundred forty-four billion, five hundred forty-two million, three hundred forty-four thousand, five hundred fifteen".