144447071 has 4 divisors (see below), whose sum is σ = 146425872. Its totient is φ = 142468272.

The previous prime is 144447041. The next prime is 144447119. The reversal of 144447071 is 170744441.

144447071 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: 170744441 = 7 ⋅24392063.

It is a cyclic number.

It is not a de Polignac number, because 144447071 - 2¹⁴ = 144430687 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 (144447031) 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, 989291 + ... + 989436.

It is an arithmetic number, because the mean of its divisors is an integer number (36606468).

Almost surely, 2^144447071 is an apocalyptic number.

144447071 is a deficient number, since it is larger than the sum of its proper divisors (1978801).

144447071 is an equidigital number, since it uses as much as digits as its factorization.

144447071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978800.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 144447071 is about 12018.6135223660. The cubic root of 144447071 is about 524.6901524669.

The spelling of 144447071 in words is "one hundred forty-four million, four hundred forty-seven thousand, seventy-one".