48139842 has 16 divisors (see below), whose sum is σ = 96392160. Its totient is φ = 16027872.

The previous prime is 48139841. The next prime is 48139853. The reversal of 48139842 is 24893184.

48139842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 48139842.

It is not an unprimeable number, because it can be changed into a prime (48139841) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1509 + ... + 9927.

It is an arithmetic number, because the mean of its divisors is an integer number (6024510).

Almost surely, 2^48139842 is an apocalyptic number.

48139842 is an abundant number, since it is smaller than the sum of its proper divisors (48252318).

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

48139842 is a wasteful number, since it uses less digits than its factorization.

48139842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9377.

The product of its digits is 55296, while the sum is 39.

The square root of 48139842 is about 6938.2881173961. The cubic root of 48139842 is about 363.7767066278.

The spelling of 48139842 in words is "forty-eight million, one hundred thirty-nine thousand, eight hundred forty-two".