144440411 has 4 divisors (see below), whose sum is σ = 144465552. Its totient is φ = 144415272.

The previous prime is 144440399. The next prime is 144440431. The reversal of 144440411 is 114044441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144440411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144440431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761 + ... + 17013.

It is an arithmetic number, because the mean of its divisors is an integer number (36116388).

Almost surely, 2^144440411 is an apocalyptic number.

144440411 is a deficient number, since it is larger than the sum of its proper divisors (25141).

144440411 is an equidigital number, since it uses as much as digits as its factorization.

144440411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25140.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 144440411 is about 12018.3364489433. The cubic root of 144440411 is about 524.6820884056.

Adding to 144440411 its reverse (114044441), we get a palindrome (258484852).

The spelling of 144440411 in words is "one hundred forty-four million, four hundred forty thousand, four hundred eleven".