47143429 has 4 divisors (see below), whose sum is σ = 47172076. Its totient is φ = 47114784.

The previous prime is 47143417. The next prime is 47143457. The reversal of 47143429 is 92434174.

It is a happy number.

47143429 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.

It can be written as a sum of positive squares in 2 ways, for example, as 22372900 + 24770529 = 4730^2 + 4977^2 .

It is a cyclic number.

It is not a de Polignac number, because 47143429 - 2²⁵ = 13588997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47143394 and 47143403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47143469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11694 + ... + 15199.

It is an arithmetic number, because the mean of its divisors is an integer number (11793019).

Almost surely, 2^47143429 is an apocalyptic number.

It is an amenable number.

47143429 is a deficient number, since it is larger than the sum of its proper divisors (28647).

47143429 is a wasteful number, since it uses less digits than its factorization.

47143429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28646.

The product of its digits is 24192, while the sum is 34.

The square root of 47143429 is about 6866.1072668580. The cubic root of 47143429 is about 361.2493347369.

The spelling of 47143429 in words is "forty-seven million, one hundred forty-three thousand, four hundred twenty-nine".