144021711 has 4 divisors (see below), whose sum is σ = 192028952. Its totient is φ = 96014472.

The previous prime is 144021701. The next prime is 144021719. The reversal of 144021711 is 117120441.

144021711 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 117120441 = 3 ⋅39040147.

It is not a de Polignac number, because 144021711 - 2¹¹ = 144019663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144021719) 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, 24003616 + ... + 24003621.

It is an arithmetic number, because the mean of its divisors is an integer number (48007238).

Almost surely, 2^144021711 is an apocalyptic number.

144021711 is a deficient number, since it is larger than the sum of its proper divisors (48007241).

144021711 is an equidigital number, since it uses as much as digits as its factorization.

144021711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48007240.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 144021711 is about 12000.9045909048. The cubic root of 144021711 is about 524.1746196089.

The spelling of 144021711 in words is "one hundred forty-four million, twenty-one thousand, seven hundred eleven".