30548142 has 24 divisors (see below), whose sum is σ = 66485640. Its totient is φ = 10136880.

The previous prime is 30548131. The next prime is 30548149. The reversal of 30548142 is 24184503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30548149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417 + ... + 7827.

It is an arithmetic number, because the mean of its divisors is an integer number (2770235).

Almost surely, 2^30548142 is an apocalyptic number.

30548142 is an abundant number, since it is smaller than the sum of its proper divisors (35937498).

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

30548142 is a wasteful number, since it uses less digits than its factorization.

30548142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7648 (or 7645 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 30548142 is about 5527.0373619146. The cubic root of 30548142 is about 312.6042898850.

The spelling of 30548142 in words is "thirty million, five hundred forty-eight thousand, one hundred forty-two".