144042015 has 16 divisors (see below), whose sum is σ = 248195808. Its totient is φ = 70912896.

The previous prime is 144042013. The next prime is 144042047. The reversal of 144042015 is 510240441.

It is a happy number.

144042015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144042015 - 2¹ = 144042013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144041982 and 144042000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144042011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369144 + ... + 369533.

It is an arithmetic number, because the mean of its divisors is an integer number (15512238).

Almost surely, 2^144042015 is an apocalyptic number.

144042015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144042015 is a deficient number, since it is larger than the sum of its proper divisors (104153793).

144042015 is a wasteful number, since it uses less digits than its factorization.

144042015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738698.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 144042015 is about 12001.7504973233. The cubic root of 144042015 is about 524.1992509447.

Adding to 144042015 its reverse (510240441), we get a palindrome (654282456).

The spelling of 144042015 in words is "one hundred forty-four million, forty-two thousand, fifteen".