144104042 has 4 divisors (see below), whose sum is σ = 216156066. Its totient is φ = 72052020.

The previous prime is 144104033. The next prime is 144104047. The reversal of 144104042 is 240401441.

It is a happy number.

144104042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 135466321 + 8637721 = 11639^2 + 2939^2 .

It is not an unprimeable number, because it can be changed into a prime (144104047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36026009 + ... + 36026012.

Almost surely, 2^144104042 is an apocalyptic number.

144104042 is a deficient number, since it is larger than the sum of its proper divisors (72052024).

144104042 is an equidigital number, since it uses as much as digits as its factorization.

144104042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72052023.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 144104042 is about 12004.3343005766. The cubic root of 144104042 is about 524.2744832556.

Adding to 144104042 its reverse (240401441), we get a palindrome (384505483).

The spelling of 144104042 in words is "one hundred forty-four million, one hundred four thousand, forty-two".