47144456 has 8 divisors (see below), whose sum is σ = 88395870. Its totient is φ = 23572224.

The previous prime is 47144443. The next prime is 47144467. The reversal of 47144456 is 65444174.

47144456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 47141956 + 2500 = 6866^2 + 50^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2946521 + ... + 2946536.

Almost surely, 2^47144456 is an apocalyptic number.

It is an amenable number.

47144456 is a deficient number, since it is larger than the sum of its proper divisors (41251414).

47144456 is a wasteful number, since it uses less digits than its factorization.

47144456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5893063 (or 5893059 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 47144456 is about 6866.1820540967. The cubic root of 47144456 is about 361.2519579401.

The spelling of 47144456 in words is "forty-seven million, one hundred forty-four thousand, four hundred fifty-six".