144481411 has 4 divisors (see below), whose sum is σ = 148386352. Its totient is φ = 140576472.

The previous prime is 144481391. The next prime is 144481427. The reversal of 144481411 is 114184441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114184441 = 7 ⋅16312063.

It is a cyclic number.

It is not a de Polignac number, because 144481411 - 2²⁵ = 110926979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144481411.

It is not an unprimeable number, because it can be changed into a prime (144481511) 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, 1952415 + ... + 1952488.

It is an arithmetic number, because the mean of its divisors is an integer number (37096588).

Almost surely, 2^144481411 is an apocalyptic number.

144481411 is a deficient number, since it is larger than the sum of its proper divisors (3904941).

144481411 is an equidigital number, since it uses as much as digits as its factorization.

144481411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904940.

The product of its digits is 2048, while the sum is 28.

The square root of 144481411 is about 12020.0420548349. The cubic root of 144481411 is about 524.7317280929.

The spelling of 144481411 in words is "one hundred forty-four million, four hundred eighty-one thousand, four hundred eleven".