144032242 has 4 divisors (see below), whose sum is σ = 216048366. Its totient is φ = 72016120.

The previous prime is 144032227. The next prime is 144032243. The reversal of 144032242 is 242230441.

It is a happy number.

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., 116877721 + 27154521 = 10811^2 + 5211^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (144032243) 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 as a sum of consecutive naturals, namely, 36008059 + ... + 36008062.

Almost surely, 2^144032242 is an apocalyptic number.

144032242 is a deficient number, since it is larger than the sum of its proper divisors (72016124).

144032242 is an equidigital number, since it uses as much as digits as its factorization.

144032242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72016123.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 144032242 is about 12001.3433414764. The cubic root of 144032242 is about 524.1873953410.

Adding to 144032242 its reverse (242230441), we get a palindrome (386262683).

The spelling of 144032242 in words is "one hundred forty-four million, thirty-two thousand, two hundred forty-two".