143130447 has 12 divisors (see below), whose sum is σ = 206909040. Its totient is φ = 95344128.

The previous prime is 143130437. The next prime is 143130473. The reversal of 143130447 is 744031341.

It is not a de Polignac number, because 143130447 - 2¹⁸ = 142868303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143130447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143130437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7038 + ... + 18324.

It is an arithmetic number, because the mean of its divisors is an integer number (17242420).

Almost surely, 2^143130447 is an apocalyptic number.

143130447 is a deficient number, since it is larger than the sum of its proper divisors (63778593).

143130447 is a wasteful number, since it uses less digits than its factorization.

143130447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12702 (or 12699 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 143130447 is about 11963.7137628748. The cubic root of 143130447 is about 523.0911140120.

Adding to 143130447 its reverse (744031341), we get a palindrome (887161788).

It can be divided in two parts, 1431 and 30447, that added together give a triangular number (31878 = T₂₅₂).

The spelling of 143130447 in words is "one hundred forty-three million, one hundred thirty thousand, four hundred forty-seven".