47578148 has 6 divisors (see below), whose sum is σ = 83261766. Its totient is φ = 23789072.

The previous prime is 47578117. The next prime is 47578151. The reversal of 47578148 is 84187574.

It can be written as a sum of positive squares in only one way, i.e., 43665664 + 3912484 = 6608^2 + 1978^2 .

It is a super-3 number, since 3×47578148³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47578099 and 47578108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5947265 + ... + 5947272.

It is an arithmetic number, because the mean of its divisors is an integer number (13876961).

Almost surely, 2^47578148 is an apocalyptic number.

It is an amenable number.

47578148 is a deficient number, since it is larger than the sum of its proper divisors (35683618).

47578148 is a wasteful number, since it uses less digits than its factorization.

47578148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11894541 (or 11894539 counting only the distinct ones).

The product of its digits is 250880, while the sum is 44.

The square root of 47578148 is about 6897.6914978854. The cubic root of 47578148 is about 362.3563232436.

The spelling of 47578148 in words is "forty-seven million, five hundred seventy-eight thousand, one hundred forty-eight".