48138345 has 12 divisors (see below), whose sum is σ = 83439876. Its totient is φ = 25673760.

The previous prime is 48138331. The next prime is 48138383. The reversal of 48138345 is 54383184.

48138345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10830681 + 37307664 = 3291^2 + 6108^2 .

It is not a de Polignac number, because 48138345 - 2¹² = 48134249 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 534826 + ... + 534915.

It is an arithmetic number, because the mean of its divisors is an integer number (6953323).

Almost surely, 2^48138345 is an apocalyptic number.

48138345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

48138345 is a deficient number, since it is larger than the sum of its proper divisors (35301531).

48138345 is a wasteful number, since it uses less digits than its factorization.

48138345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069752 (or 1069749 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 48138345 is about 6938.1802369209. The cubic root of 48138345 is about 363.7729358124.

The spelling of 48138345 in words is "forty-eight million, one hundred thirty-eight thousand, three hundred forty-five".