42510045 has 16 divisors (see below), whose sum is σ = 68133312. Its totient is φ = 22632960.

The previous prime is 42510037. The next prime is 42510059. The reversal of 42510045 is 54001524.

42510045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42510045 - 2³ = 42510037 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7990 + ... + 12200.

It is an arithmetic number, because the mean of its divisors is an integer number (4258332).

Almost surely, 2^42510045 is an apocalyptic number.

It is an amenable number.

42510045 is a deficient number, since it is larger than the sum of its proper divisors (25623267).

42510045 is a wasteful number, since it uses less digits than its factorization.

42510045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4892.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 42510045 is about 6519.9727760168. The cubic root of 42510045 is about 349.0040940618.

Adding to 42510045 its reverse (54001524), we get a palindrome (96511569).

The spelling of 42510045 in words is "forty-two million, five hundred ten thousand, forty-five".