42810245 has 8 divisors (see below), whose sum is σ = 53606016. Its totient is φ = 32759056.

The previous prime is 42810181. The next prime is 42810263. The reversal of 42810245 is 54201824.

It is a happy number.

42810245 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 42810245 - 2⁶ = 42810181 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, 186017 + ... + 186246.

It is an arithmetic number, because the mean of its divisors is an integer number (6700752).

Almost surely, 2^42810245 is an apocalyptic number.

It is an amenable number.

42810245 is a deficient number, since it is larger than the sum of its proper divisors (10795771).

42810245 is a wasteful number, since it uses less digits than its factorization.

42810245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372291.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 42810245 is about 6542.9538436397. The cubic root of 42810245 is about 349.8237071356.

The spelling of 42810245 in words is "forty-two million, eight hundred ten thousand, two hundred forty-five".