144432115 has 8 divisors (see below), whose sum is σ = 173626560. Its totient is φ = 115340352.

The previous prime is 144432103. The next prime is 144432133. The reversal of 144432115 is 511234441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144432115 - 2⁵ = 144432083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144432115.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22539 + ... + 28228.

It is an arithmetic number, because the mean of its divisors is an integer number (21703320).

Almost surely, 2^144432115 is an apocalyptic number.

144432115 is a deficient number, since it is larger than the sum of its proper divisors (29194445).

144432115 is an equidigital number, since it uses as much as digits as its factorization.

144432115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51341.

The product of its digits is 1920, while the sum is 25.

The square root of 144432115 is about 12017.9913047065. The cubic root of 144432115 is about 524.6720430960.

Adding to 144432115 its reverse (511234441), we get a palindrome (655666556).

The spelling of 144432115 in words is "one hundred forty-four million, four hundred thirty-two thousand, one hundred fifteen".