42154182 has 48 divisors (see below), whose sum is σ = 108256512. Its totient is φ = 12043080.

The previous prime is 42154181. The next prime is 42154187. The reversal of 42154182 is 28145124.

42154182 is a `hidden beast` number, since 42 + 1 + 541 + 82 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42154181) 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 23 ways as a sum of consecutive naturals, for example, 2794 + ... + 9597.

It is an arithmetic number, because the mean of its divisors is an integer number (2255344).

Almost surely, 2^42154182 is an apocalyptic number.

42154182 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42154182 is an abundant number, since it is smaller than the sum of its proper divisors (66102330).

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

42154182 is a wasteful number, since it uses less digits than its factorization.

42154182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12415 (or 12403 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 42154182 is about 6492.6252009492. The cubic root of 42154182 is about 348.0274948550.

The spelling of 42154182 in words is "forty-two million, one hundred fifty-four thousand, one hundred eighty-two".