47248142 has 16 divisors (see below), whose sum is σ = 73347120. Its totient is φ = 22811712.

The previous prime is 47248139. The next prime is 47248171. The reversal of 47248142 is 24184274.

47248142 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 = 47248099 and 47248108.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 4568 + ... + 10740.

It is an arithmetic number, because the mean of its divisors is an integer number (4584195).

Almost surely, 2^47248142 is an apocalyptic number.

47248142 is a deficient number, since it is larger than the sum of its proper divisors (26098978).

47248142 is a wasteful number, since it uses less digits than its factorization.

47248142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6307.

The product of its digits is 14336, while the sum is 32.

The square root of 47248142 is about 6873.7283914918. The cubic root of 47248142 is about 361.5166008929.

The spelling of 47248142 in words is "forty-seven million, two hundred forty-eight thousand, one hundred forty-two".