48147381 has 12 divisors (see below), whose sum is σ = 69855552. Its totient is φ = 31955496.

The previous prime is 48147343. The next prime is 48147389. The reversal of 48147381 is 18374184.

It is not a de Polignac number, because 48147381 - 2¹⁴ = 48130997 is a prime.

It is a super-2 number, since 2×48147381² = 4636340594318322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48147389) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9741 + ... + 13826.

It is an arithmetic number, because the mean of its divisors is an integer number (5821296).

Almost surely, 2^48147381 is an apocalyptic number.

It is an amenable number.

48147381 is a deficient number, since it is larger than the sum of its proper divisors (21708171).

48147381 is a wasteful number, since it uses less digits than its factorization.

48147381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23800 (or 23797 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 48147381 is about 6938.8313857594. The cubic root of 48147381 is about 363.7956955382.

The spelling of 48147381 in words is "forty-eight million, one hundred forty-seven thousand, three hundred eighty-one".