845102 has 4 divisors (see below), whose sum is σ = 1267656. Its totient is φ = 422550.

The previous prime is 845099. The next prime is 845111. The reversal of 845102 is 201548.

845102 is nontrivially palindromic in base 5.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 845102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211274 + ... + 211277.

It is an arithmetic number, because the mean of its divisors is an integer number (316914).

2⁸⁴⁵¹⁰² is an apocalyptic number.

845102 is a deficient number, since it is larger than the sum of its proper divisors (422554).

845102 is a wasteful number, since it uses less digits than its factorization.

845102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422553.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 845102 is about 919.2942945543. The cubic root of 845102 is about 94.5445233121.

The spelling of 845102 in words is "eight hundred forty-five thousand, one hundred two".