42246845 has 8 divisors (see below), whose sum is σ = 51084000. Its totient is φ = 33538960.

The previous prime is 42246839. The next prime is 42246857. The reversal of 42246845 is 54864224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42246845 - 2¹⁶ = 42181309 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31595 + ... + 32904.

It is an arithmetic number, because the mean of its divisors is an integer number (6385500).

Almost surely, 2^42246845 is an apocalyptic number.

It is an amenable number.

42246845 is a deficient number, since it is larger than the sum of its proper divisors (8837155).

42246845 is a wasteful number, since it uses less digits than its factorization.

42246845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64635.

The product of its digits is 61440, while the sum is 35.

The square root of 42246845 is about 6499.7573031614. The cubic root of 42246845 is about 348.2823186867.

The spelling of 42246845 in words is "forty-two million, two hundred forty-six thousand, eight hundred forty-five".