845151842 has 8 divisors (see below), whose sum is σ = 1297209936. Its totient is φ = 412748532.

The previous prime is 845151841. The next prime is 845151887. The reversal of 845151842 is 248151548.

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

It is a junction number, because it is equal to n+sod(n) for n = 845151796 and 845151805.

It is not an unprimeable number, because it can be changed into a prime (845151841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4913588 + ... + 4913759.

It is an arithmetic number, because the mean of its divisors is an integer number (162151242).

Almost surely, 2^845151842 is an apocalyptic number.

845151842 is a deficient number, since it is larger than the sum of its proper divisors (452058094).

845151842 is a wasteful number, since it uses less digits than its factorization.

845151842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9827392.

The product of its digits is 51200, while the sum is 38.

The square root of 845151842 is about 29071.4953519767. The cubic root of 845151842 is about 945.4638194194.

The spelling of 845151842 in words is "eight hundred forty-five million, one hundred fifty-one thousand, eight hundred forty-two".