144345115 has 4 divisors (see below), whose sum is σ = 173214144. Its totient is φ = 115476088.

The previous prime is 144345107. The next prime is 144345119. The reversal of 144345115 is 511543441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144345115 - 2³ = 144345107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144345119) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 14434507 + ... + 14434516.

It is an arithmetic number, because the mean of its divisors is an integer number (43303536).

Almost surely, 2^144345115 is an apocalyptic number.

144345115 is a deficient number, since it is larger than the sum of its proper divisors (28869029).

144345115 is an equidigital number, since it uses as much as digits as its factorization.

144345115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28869028.

The product of its digits is 4800, while the sum is 28.

The square root of 144345115 is about 12014.3711862086. The cubic root of 144345115 is about 524.5666749420.

Adding to 144345115 its reverse (511543441), we get a palindrome (655888556).

The spelling of 144345115 in words is "one hundred forty-four million, three hundred forty-five thousand, one hundred fifteen".