42045084 has 18 divisors (see below), whose sum is σ = 106280720. Its totient is φ = 14015016.

The previous prime is 42045053. The next prime is 42045103. The reversal of 42045084 is 48054024.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 583924 + ... + 583995.

Almost surely, 2^42045084 is an apocalyptic number.

It is an amenable number.

42045084 is an abundant number, since it is smaller than the sum of its proper divisors (64235636).

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

42045084 is a wasteful number, since it uses less digits than its factorization.

42045084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167929 (or 1167924 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 42045084 is about 6484.2180715951. The cubic root of 42045084 is about 347.7269955563.

The spelling of 42045084 in words is "forty-two million, forty-five thousand, eighty-four".