144232115 has 4 divisors (see below), whose sum is σ = 173078544. Its totient is φ = 115385688.

The previous prime is 144232111. The next prime is 144232129. The reversal of 144232115 is 511232441.

144232115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 144232115 - 2² = 144232111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144232111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14423207 + ... + 14423216.

It is an arithmetic number, because the mean of its divisors is an integer number (43269636).

Almost surely, 2^144232115 is an apocalyptic number.

144232115 is a deficient number, since it is larger than the sum of its proper divisors (28846429).

144232115 is an equidigital number, since it uses as much as digits as its factorization.

144232115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28846428.

The product of its digits is 960, while the sum is 23.

The square root of 144232115 is about 12009.6675640919. The cubic root of 144232115 is about 524.4297542271.

Adding to 144232115 its reverse (511232441), we get a palindrome (655464556).

The spelling of 144232115 in words is "one hundred forty-four million, two hundred thirty-two thousand, one hundred fifteen".