42546845 has 8 divisors (see below), whose sum is σ = 55697760. Its totient is φ = 30943120.

The previous prime is 42546827. The next prime is 42546851. The reversal of 42546845 is 54864524.

42546845 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 42546845 - 2¹⁰ = 42545821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42546799 and 42546808.

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, 386735 + ... + 386844.

It is an arithmetic number, because the mean of its divisors is an integer number (6962220).

Almost surely, 2^42546845 is an apocalyptic number.

It is an amenable number.

42546845 is a deficient number, since it is larger than the sum of its proper divisors (13150915).

42546845 is a wasteful number, since it uses less digits than its factorization.

42546845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773595.

The product of its digits is 153600, while the sum is 38.

The square root of 42546845 is about 6522.7942631973. The cubic root of 42546845 is about 349.1047733747.

The spelling of 42546845 in words is "forty-two million, five hundred forty-six thousand, eight hundred forty-five".