42010045 has 32 divisors (see below), whose sum is σ = 66170880. Its totient is φ = 24805440.

The previous prime is 42010039. The next prime is 42010049. The reversal of 42010045 is 54001024.

It is not a de Polignac number, because 42010045 - 2³ = 42010037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42010049) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4444 + ... + 10186.

It is an arithmetic number, because the mean of its divisors is an integer number (2067840).

Almost surely, 2^42010045 is an apocalyptic number.

It is an amenable number.

42010045 is a deficient number, since it is larger than the sum of its proper divisors (24160835).

42010045 is a wasteful number, since it uses less digits than its factorization.

42010045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5785.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 42010045 is about 6481.5156406507. The cubic root of 42010045 is about 347.6303739366.

Adding to 42010045 its reverse (54001024), we get a palindrome (96011069).

The spelling of 42010045 in words is "forty-two million, ten thousand, forty-five".