144042404 has 24 divisors (see below), whose sum is σ = 280844928. Its totient is φ = 64079840.

The previous prime is 144042403. The next prime is 144042407. The reversal of 144042404 is 404240441.

It is a self number, because there is not a number n which added to its sum of digits gives 144042404.

It is not an unprimeable number, because it can be changed into a prime (144042403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32759 + ... + 36894.

It is an arithmetic number, because the mean of its divisors is an integer number (11701872).

Almost surely, 2^144042404 is an apocalyptic number.

It is an amenable number.

144042404 is a deficient number, since it is larger than the sum of its proper divisors (136802524).

144042404 is a wasteful number, since it uses less digits than its factorization.

144042404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69715 (or 69713 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 144042404 is about 12001.7667032816. The cubic root of 144042404 is about 524.1997228286.

Adding to 144042404 its reverse (404240441), we get a palindrome (548282845).

The spelling of 144042404 in words is "one hundred forty-four million, forty-two thousand, four hundred four".