845342 has 24 divisors (see below), whose sum is σ = 1433376. Its totient is φ = 372416.

The previous prime is 845333. The next prime is 845347. The reversal of 845342 is 243548.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845347) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 17963 + ... + 18009.

It is an arithmetic number, because the mean of its divisors is an integer number (59724).

2⁸⁴⁵³⁴² is an apocalyptic number.

845342 is a deficient number, since it is larger than the sum of its proper divisors (588034).

845342 is a wasteful number, since it uses less digits than its factorization.

845342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 89 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 845342 is about 919.4248202001. The cubic root of 845342 is about 94.5534723454.

The spelling of 845342 in words is "eight hundred forty-five thousand, three hundred forty-two".