144442435 has 4 divisors (see below), whose sum is σ = 173330928. Its totient is φ = 115553944.

The previous prime is 144442433. The next prime is 144442451. The reversal of 144442435 is 534244441.

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

It is a cyclic number.

It is not a de Polignac number, because 144442435 - 2¹ = 144442433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144442397 and 144442406.

It is not an unprimeable number, because it can be changed into a prime (144442433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14444239 + ... + 14444248.

It is an arithmetic number, because the mean of its divisors is an integer number (43332732).

Almost surely, 2^144442435 is an apocalyptic number.

144442435 is a deficient number, since it is larger than the sum of its proper divisors (28888493).

144442435 is an equidigital number, since it uses as much as digits as its factorization.

144442435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28888492.

The product of its digits is 30720, while the sum is 31.

The square root of 144442435 is about 12018.4206533138. The cubic root of 144442435 is about 524.6845391315.

Adding to 144442435 its reverse (534244441), we get a palindrome (678686876).

The spelling of 144442435 in words is "one hundred forty-four million, four hundred forty-two thousand, four hundred thirty-five".