42105255 has 8 divisors (see below), whose sum is σ = 67368432. Its totient is φ = 22456128.

The previous prime is 42105253. The next prime is 42105263. The reversal of 42105255 is 55250124.

It is a happy number.

42105255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42105255 - 2¹ = 42105253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42105251) 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, 1403494 + ... + 1403523.

It is an arithmetic number, because the mean of its divisors is an integer number (8421054).

Almost surely, 2^42105255 is an apocalyptic number.

42105255 is a deficient number, since it is larger than the sum of its proper divisors (25263177).

42105255 is a wasteful number, since it uses less digits than its factorization.

42105255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807025.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 42105255 is about 6488.8562166225. The cubic root of 42105255 is about 347.8927946298.

Adding to 42105255 its reverse (55250124), we get a palindrome (97355379).

The spelling of 42105255 in words is "forty-two million, one hundred five thousand, two hundred fifty-five".