42546905 has 8 divisors (see below), whose sum is σ = 51459072. Its totient is φ = 33769008.

The previous prime is 42546901. The next prime is 42546949. The reversal of 42546905 is 50964524.

It is a happy number.

42546905 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 42546905 - 2² = 42546901 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42546901) 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, 32867 + ... + 34136.

It is an arithmetic number, because the mean of its divisors is an integer number (6432384).

Almost surely, 2^42546905 is an apocalyptic number.

It is an amenable number.

42546905 is a deficient number, since it is larger than the sum of its proper divisors (8912167).

42546905 is a wasteful number, since it uses less digits than its factorization.

42546905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67135.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 42546905 is about 6522.7988624516. The cubic root of 42546905 is about 349.1049374784.

The spelling of 42546905 in words is "forty-two million, five hundred forty-six thousand, nine hundred five".