144230015 has 4 divisors (see below), whose sum is σ = 173076024. Its totient is φ = 115384008.

The previous prime is 144230003. The next prime is 144230071. The reversal of 144230015 is 510032441.

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 144230015 - 2¹⁶ = 144164479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14422997 + ... + 14423006.

It is an arithmetic number, because the mean of its divisors is an integer number (43269006).

Almost surely, 2^144230015 is an apocalyptic number.

144230015 is a deficient number, since it is larger than the sum of its proper divisors (28846009).

144230015 is an equidigital number, since it uses as much as digits as its factorization.

144230015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28846008.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 144230015 is about 12009.5801342095. The cubic root of 144230015 is about 524.4272090061.

Adding to 144230015 its reverse (510032441), we get a palindrome (654262456).

The spelling of 144230015 in words is "one hundred forty-four million, two hundred thirty thousand, fifteen".