144333442 has 32 divisors (see below), whose sum is σ = 242180928. Its totient is φ = 63960000.

The previous prime is 144333419. The next prime is 144333457. The reversal of 144333442 is 244333441.

It is a self number, because there is not a number n which added to its sum of digits gives 144333442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175392 + ... + 176212.

It is an arithmetic number, because the mean of its divisors is an integer number (7568154).

Almost surely, 2^144333442 is an apocalyptic number.

144333442 is a deficient number, since it is larger than the sum of its proper divisors (97847486).

144333442 is a wasteful number, since it uses less digits than its factorization.

144333442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026.

The product of its digits is 13824, while the sum is 28.

The square root of 144333442 is about 12013.8853831723. The cubic root of 144333442 is about 524.5525342213.

Adding to 144333442 its reverse (244333441), we get a palindrome (388666883).

Subtracting 144333442 from its reverse (244333441), we obtain a palindrome (99999999).

The spelling of 144333442 in words is "one hundred forty-four million, three hundred thirty-three thousand, four hundred forty-two".