47148905 has 24 divisors (see below), whose sum is σ = 61124928. Its totient is φ = 34898688.

The previous prime is 47148889. The next prime is 47148917. The reversal of 47148905 is 50984174.

It is not a de Polignac number, because 47148905 - 2⁴ = 47148889 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96572 + ... + 97058.

It is an arithmetic number, because the mean of its divisors is an integer number (2546872).

Almost surely, 2^47148905 is an apocalyptic number.

It is an amenable number.

47148905 is a deficient number, since it is larger than the sum of its proper divisors (13976023).

47148905 is a wasteful number, since it uses less digits than its factorization.

47148905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 47148905 is about 6866.5060256290. The cubic root of 47148905 is about 361.2633213081.

The spelling of 47148905 in words is "forty-seven million, one hundred forty-eight thousand, nine hundred five".