845284342 has 16 divisors (see below), whose sum is σ = 1455392160. Its totient is φ = 360681408.

The previous prime is 845284337. The next prime is 845284423. The reversal of 845284342 is 243482548.

It is a junction number, because it is equal to n+sod(n) for n = 845284295 and 845284304.

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, 128623 + ... + 135034.

It is an arithmetic number, because the mean of its divisors is an integer number (90962010).

Almost surely, 2^845284342 is an apocalyptic number.

845284342 is a deficient number, since it is larger than the sum of its proper divisors (610107818).

845284342 is a wasteful number, since it uses less digits than its factorization.

845284342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263895.

The product of its digits is 245760, while the sum is 40.

The square root of 845284342 is about 29073.7741272096. The cubic root of 845284342 is about 945.5132256932.

The spelling of 845284342 in words is "eight hundred forty-five million, two hundred eighty-four thousand, three hundred forty-two".