42153834 has 8 divisors (see below), whose sum is σ = 84307680. Its totient is φ = 14051276.

The previous prime is 42153833. The next prime is 42153851. The reversal of 42153834 is 43835124.

42153834 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.

42153834 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (42153833) 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 3 ways as a sum of consecutive naturals, for example, 3512814 + ... + 3512825.

It is an arithmetic number, because the mean of its divisors is an integer number (10538460).

Almost surely, 2^42153834 is an apocalyptic number.

42153834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42153834 is a wasteful number, since it uses less digits than its factorization.

42153834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7025644.

The product of its digits is 11520, while the sum is 30.

The square root of 42153834 is about 6492.5984012566. The cubic root of 42153834 is about 348.0265371493.

Adding to 42153834 its reverse (43835124), we get a palindrome (85988958).

The spelling of 42153834 in words is "forty-two million, one hundred fifty-three thousand, eight hundred thirty-four".