845225486 has 16 divisors (see below), whose sum is σ = 1449506400. Its totient is φ = 362102400.

The previous prime is 845225471. The next prime is 845225497. The reversal of 845225486 is 684522548.

It is a super-2 number, since 2×845225486² = 1428812244367872392, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32786 + ... + 52586.

It is an arithmetic number, because the mean of its divisors is an integer number (90594150).

Almost surely, 2^845225486 is an apocalyptic number.

845225486 is a deficient number, since it is larger than the sum of its proper divisors (604280914).

845225486 is a wasteful number, since it uses less digits than its factorization.

845225486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22859.

The product of its digits is 614400, while the sum is 44.

The square root of 845225486 is about 29072.7619258990. The cubic root of 845225486 is about 945.4912802502.

The spelling of 845225486 in words is "eight hundred forty-five million, two hundred twenty-five thousand, four hundred eighty-six".