845114638 has 4 divisors (see below), whose sum is σ = 1267671960. Its totient is φ = 422557318.

The previous prime is 845114609. The next prime is 845114639. The reversal of 845114638 is 836411548.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 845114638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845114639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211278658 + ... + 211278661.

It is an arithmetic number, because the mean of its divisors is an integer number (316917990).

Almost surely, 2^845114638 is an apocalyptic number.

845114638 is a deficient number, since it is larger than the sum of its proper divisors (422557322).

845114638 is a wasteful number, since it uses less digits than its factorization.

845114638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422557321.

The product of its digits is 92160, while the sum is 40.

The square root of 845114638 is about 29070.8554741686. The cubic root of 845114638 is about 945.4499459550.

The spelling of 845114638 in words is "eight hundred forty-five million, one hundred fourteen thousand, six hundred thirty-eight".