42459245 has 8 divisors (see below), whose sum is σ = 51024480. Its totient is φ = 33918480.

The previous prime is 42459211. The next prime is 42459247. The reversal of 42459245 is 54295424.

42459245 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 de Polignac number, because none of the positive numbers 2^k-42459245 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42459247) by changing a digit.

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, 2051 + ... + 9440.

It is an arithmetic number, because the mean of its divisors is an integer number (6378060).

Almost surely, 2^42459245 is an apocalyptic number.

It is an amenable number.

42459245 is a deficient number, since it is larger than the sum of its proper divisors (8565235).

42459245 is a wasteful number, since it uses less digits than its factorization.

42459245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12235.

The product of its digits is 57600, while the sum is 35.

The square root of 42459245 is about 6516.0758896747. The cubic root of 42459245 is about 348.8650173255.

The spelling of 42459245 in words is "forty-two million, four hundred fifty-nine thousand, two hundred forty-five".