48183138 has 24 divisors (see below), whose sum is σ = 104555100. Its totient is φ = 16036704.

The previous prime is 48183133. The next prime is 48183169. The reversal of 48183138 is 83138184.

It can be written as a sum of positive squares in 2 ways, for example, as 47983329 + 199809 = 6927^2 + 447^2 .

It is a super-2 number, since 2×48183138² = 4643229575054088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48183133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13308 + ... + 16536.

Almost surely, 2^48183138 is an apocalyptic number.

48183138 is an abundant number, since it is smaller than the sum of its proper divisors (56371962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48183138 is a wasteful number, since it uses less digits than its factorization.

48183138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066 (or 4063 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 48183138 is about 6941.4074941614. The cubic root of 48183138 is about 363.8857317529.

The spelling of 48183138 in words is "forty-eight million, one hundred eighty-three thousand, one hundred thirty-eight".