48185138 has 16 divisors (see below), whose sum is σ = 76204800. Its totient is φ = 22805376.

The previous prime is 48185131. The next prime is 48185141. The reversal of 48185138 is 83158184.

It is not an unprimeable number, because it can be changed into a prime (48185131) 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 7 ways as a sum of consecutive naturals, for example, 938 + ... + 9861.

It is an arithmetic number, because the mean of its divisors is an integer number (4762800).

Almost surely, 2^48185138 is an apocalyptic number.

48185138 is a deficient number, since it is larger than the sum of its proper divisors (28019662).

48185138 is a wasteful number, since it uses less digits than its factorization.

48185138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10921.

The product of its digits is 30720, while the sum is 38.

The square root of 48185138 is about 6941.5515556682. The cubic root of 48185138 is about 363.8907664422.

The spelling of 48185138 in words is "forty-eight million, one hundred eighty-five thousand, one hundred thirty-eight".