42245045 has 8 divisors (see below), whose sum is σ = 50740224. Its totient is φ = 33765264.

The previous prime is 42245039. The next prime is 42245059. The reversal of 42245045 is 54054224.

42245045 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 42245045 - 2⁴ = 42245029 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 3452 + ... + 9818.

It is an arithmetic number, because the mean of its divisors is an integer number (6342528).

Almost surely, 2^42245045 is an apocalyptic number.

It is an amenable number.

42245045 is a deficient number, since it is larger than the sum of its proper divisors (8495179).

42245045 is a wasteful number, since it uses less digits than its factorization.

42245045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7699.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 42245045 is about 6499.6188349779. The cubic root of 42245045 is about 348.2773722259.

Adding to 42245045 its reverse (54054224), we get a palindrome (96299269).

The spelling of 42245045 in words is "forty-two million, two hundred forty-five thousand, forty-five".