47475142 has 36 divisors (see below), whose sum is σ = 84873204. Its totient is φ = 19743360.

The previous prime is 47475133. The next prime is 47475143. The reversal of 47475142 is 24157474.

It is a happy number.

47475142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 47475098 and 47475107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47475143) 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 17 ways as a sum of consecutive naturals, for example, 420078 + ... + 420190.

It is an arithmetic number, because the mean of its divisors is an integer number (2357589).

Almost surely, 2^47475142 is an apocalyptic number.

47475142 is a deficient number, since it is larger than the sum of its proper divisors (37398062).

47475142 is a wasteful number, since it uses less digits than its factorization.

47475142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 139 counting only the distinct ones).

The product of its digits is 31360, while the sum is 34.

The square root of 47475142 is about 6890.2207511806. The cubic root of 47475142 is about 362.0946355755.

It can be divided in two parts, 4747 and 5142, that added together give a palindrome (9889).

The spelling of 47475142 in words is "forty-seven million, four hundred seventy-five thousand, one hundred forty-two".