144042415 has 8 divisors (see below), whose sum is σ = 188564688. Its totient is φ = 104758080.

The previous prime is 144042413. The next prime is 144042427. The reversal of 144042415 is 514240441.

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

It is not a de Polignac number, because 144042415 - 2¹ = 144042413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144042415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144042413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1309422 + ... + 1309531.

It is an arithmetic number, because the mean of its divisors is an integer number (23570586).

Almost surely, 2^144042415 is an apocalyptic number.

144042415 is a deficient number, since it is larger than the sum of its proper divisors (44522273).

144042415 is a wasteful number, since it uses less digits than its factorization.

144042415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618969.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 144042415 is about 12001.7671615475. The cubic root of 144042415 is about 524.1997361724.

Adding to 144042415 its reverse (514240441), we get a palindrome (658282856).

The spelling of 144042415 in words is "one hundred forty-four million, forty-two thousand, four hundred fifteen".