7144143447 has 16 divisors (see below), whose sum is σ = 10890287360. Its totient is φ = 4080877632.

The previous prime is 7144143407. The next prime is 7144143451. The reversal of 7144143447 is 7443414417.

It is not a de Polignac number, because 7144143447 - 2¹¹ = 7144141399 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 (7144143407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1822 + ... + 119547.

It is an arithmetic number, because the mean of its divisors is an integer number (680642960).

Almost surely, 2^7144143447 is an apocalyptic number.

7144143447 is a deficient number, since it is larger than the sum of its proper divisors (3746143913).

7144143447 is a wasteful number, since it uses less digits than its factorization.

7144143447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124182.

The product of its digits is 150528, while the sum is 39.

The square root of 7144143447 is about 84523.0350082154. The cubic root of 7144143447 is about 1925.9723830350.

The spelling of 7144143447 in words is "seven billion, one hundred forty-four million, one hundred forty-three thousand, four hundred forty-seven".