144477271 has 4 divisors (see below), whose sum is σ = 152975952. Its totient is φ = 135978592.

The previous prime is 144477251. The next prime is 144477299. The reversal of 144477271 is 172774441.

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 144477271 - 2¹¹ = 144475223 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 144477271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144477251) 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 3 ways as a sum of consecutive naturals, for example, 4249315 + ... + 4249348.

It is an arithmetic number, because the mean of its divisors is an integer number (38243988).

Almost surely, 2^144477271 is an apocalyptic number.

144477271 is a deficient number, since it is larger than the sum of its proper divisors (8498681).

144477271 is an equidigital number, since it uses as much as digits as its factorization.

144477271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8498680.

The product of its digits is 43904, while the sum is 37.

The square root of 144477271 is about 12019.8698412254. The cubic root of 144477271 is about 524.7267161215.

The spelling of 144477271 in words is "one hundred forty-four million, four hundred seventy-seven thousand, two hundred seventy-one".