144012042 has 24 divisors (see below), whose sum is σ = 318666816. Its totient is φ = 46982376.

The previous prime is 144012013. The next prime is 144012047. The reversal of 144012042 is 240210441.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (144012047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84268 + ... + 85959.

It is an arithmetic number, because the mean of its divisors is an integer number (13277784).

Almost surely, 2^144012042 is an apocalyptic number.

144012042 is an abundant number, since it is smaller than the sum of its proper divisors (174654774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144012042 is a wasteful number, since it uses less digits than its factorization.

144012042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170282 (or 170279 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 144012042 is about 12000.5017395107. The cubic root of 144012042 is about 524.1628890678.

Adding to 144012042 its reverse (240210441), we get a palindrome (384222483).

The spelling of 144012042 in words is "one hundred forty-four million, twelve thousand, forty-two".