144031042 has 4 divisors (see below), whose sum is σ = 216046566. Its totient is φ = 72015520.

The previous prime is 144031033. The next prime is 144031049. The reversal of 144031042 is 240130441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240130441 = 997 ⋅240853.

It can be written as a sum of positive squares in only one way, i.e., 132273001 + 11758041 = 11501^2 + 3429^2 .

It is not an unprimeable number, because it can be changed into a prime (144031049) 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, 36007759 + ... + 36007762.

Almost surely, 2^144031042 is an apocalyptic number.

144031042 is a deficient number, since it is larger than the sum of its proper divisors (72015524).

144031042 is an equidigital number, since it uses as much as digits as its factorization.

144031042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72015523.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 144031042 is about 12001.2933469689. The cubic root of 144031042 is about 524.1859395868.

Adding to 144031042 its reverse (240130441), we get a palindrome (384161483).

The spelling of 144031042 in words is "one hundred forty-four million, thirty-one thousand, forty-two".