47808142 has 8 divisors (see below), whose sum is σ = 75486600. Its totient is φ = 22645944.

The previous prime is 47808139. The next prime is 47808143. The reversal of 47808142 is 24180874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 47808098 and 47808107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47808143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629017 + ... + 629092.

It is an arithmetic number, because the mean of its divisors is an integer number (9435825).

Almost surely, 2^47808142 is an apocalyptic number.

47808142 is a deficient number, since it is larger than the sum of its proper divisors (27678458).

47808142 is a wasteful number, since it uses less digits than its factorization.

47808142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258130.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 47808142 is about 6914.3432081435. The cubic root of 47808142 is about 362.9392648832.

The spelling of 47808142 in words is "forty-seven million, eight hundred eight thousand, one hundred forty-two".