42144895 has 8 divisors (see below), whose sum is σ = 54464256. Its totient is φ = 31122336.

The previous prime is 42144889. The next prime is 42144913. The reversal of 42144895 is 59844124.

42144895 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 a cyclic number.

It is not a de Polignac number, because 42144895 - 2⁵ = 42144863 is a prime.

It is a super-2 number, since 2×42144895² = 3552384349122050, which contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 324127 + ... + 324256.

It is an arithmetic number, because the mean of its divisors is an integer number (6808032).

Almost surely, 2^42144895 is an apocalyptic number.

42144895 is a deficient number, since it is larger than the sum of its proper divisors (12319361).

42144895 is a wasteful number, since it uses less digits than its factorization.

42144895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648401.

The product of its digits is 46080, while the sum is 37.

The square root of 42144895 is about 6491.9099654878. The cubic root of 42144895 is about 348.0019349652.

The spelling of 42144895 in words is "forty-two million, one hundred forty-four thousand, eight hundred ninety-five".