1447143159 has 16 divisors (see below), whose sum is σ = 2405640960. Its totient is φ = 751762560.

The previous prime is 1447143157. The next prime is 1447143163. The reversal of 1447143159 is 9513417441.

It is not a de Polignac number, because 1447143159 - 2¹ = 1447143157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1447143157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3132114 + ... + 3132575.

It is an arithmetic number, because the mean of its divisors is an integer number (150352560).

Almost surely, 2^1447143159 is an apocalyptic number.

1447143159 is a deficient number, since it is larger than the sum of its proper divisors (958497801).

1447143159 is a wasteful number, since it uses less digits than its factorization.

1447143159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6264710.

The product of its digits is 60480, while the sum is 39.

The square root of 1447143159 is about 38041.3348740551. The cubic root of 1447143159 is about 1131.1073695658.

It can be divided in two parts, 14471 and 43159, that added together give a triangular number (57630 = T₃₃₉).

The spelling of 1447143159 in words is "one billion, four hundred forty-seven million, one hundred forty-three thousand, one hundred fifty-nine".