42153844 has 12 divisors (see below), whose sum is σ = 73864224. Its totient is φ = 21049784.

The previous prime is 42153833. The next prime is 42153851. The reversal of 42153844 is 44835124.

42153844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 3064 + ... + 9679.

It is an arithmetic number, because the mean of its divisors is an integer number (6155352).

Almost surely, 2^42153844 is an apocalyptic number.

It is an amenable number.

42153844 is a deficient number, since it is larger than the sum of its proper divisors (31710380).

42153844 is a wasteful number, since it uses less digits than its factorization.

42153844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13574 (or 13572 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 42153844 is about 6492.5991713643. The cubic root of 42153844 is about 348.0265646696.

Adding to 42153844 its reverse (44835124), we get a palindrome (86988968).

The spelling of 42153844 in words is "forty-two million, one hundred fifty-three thousand, eight hundred forty-four".