144421411 has 8 divisors (see below), whose sum is σ = 146396880. Its totient is φ = 142451712.

The previous prime is 144421357. The next prime is 144421441. The reversal of 144421411 is 114124441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144421411 - 2⁷ = 144421283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144421441) 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 in 7 ways as a sum of consecutive naturals, for example, 76171 + ... + 78043.

It is an arithmetic number, because the mean of its divisors is an integer number (18299610).

Almost surely, 2^144421411 is an apocalyptic number.

144421411 is a deficient number, since it is larger than the sum of its proper divisors (1975469).

144421411 is an equidigital number, since it uses as much as digits as its factorization.

144421411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885.

The product of its digits is 512, while the sum is 22.

The square root of 144421411 is about 12017.5459641309. The cubic root of 144421411 is about 524.6590814628.

Adding to 144421411 its reverse (114124441), we get a palindrome (258545852).

The spelling of 144421411 in words is "one hundred forty-four million, four hundred twenty-one thousand, four hundred eleven".