42046045 has 16 divisors (see below), whose sum is σ = 51891840. Its totient is φ = 32687424.

The previous prime is 42046007. The next prime is 42046087. The reversal of 42046045 is 54064024.

It is a cyclic number.

It is not a de Polignac number, because 42046045 - 2⁹ = 42045533 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 57472 + ... + 58198.

It is an arithmetic number, because the mean of its divisors is an integer number (3243240).

Almost surely, 2^42046045 is an apocalyptic number.

It is an amenable number.

42046045 is a deficient number, since it is larger than the sum of its proper divisors (9845795).

42046045 is a wasteful number, since it uses less digits than its factorization.

42046045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 42046045 is about 6484.2921741698. The cubic root of 42046045 is about 347.7296448006.

The spelling of 42046045 in words is "forty-two million, forty-six thousand, forty-five".