42106854 has 16 divisors (see below), whose sum is σ = 85002048. Its totient is φ = 13904232.

The previous prime is 42106849. The next prime is 42106873. The reversal of 42106854 is 45860124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32152 + ... + 33435.

It is an arithmetic number, because the mean of its divisors is an integer number (5312628).

Almost surely, 2^42106854 is an apocalyptic number.

42106854 is an abundant number, since it is smaller than the sum of its proper divisors (42895194).

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

42106854 is a wasteful number, since it uses less digits than its factorization.

42106854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65699.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 42106854 is about 6488.9794266895. The cubic root of 42106854 is about 347.8971984628.

Adding to 42106854 its reverse (45860124), we get a palindrome (87966978).

The spelling of 42106854 in words is "forty-two million, one hundred six thousand, eight hundred fifty-four".