845493546 has 16 divisors (see below), whose sum is σ = 1691932608. Its totient is φ = 281673600.

The previous prime is 845493533. The next prime is 845493557. The reversal of 845493546 is 645394548.

It is a junction number, because it is equal to n+sod(n) for n = 845493495 and 845493504.

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, 27495 + ... + 49466.

It is an arithmetic number, because the mean of its divisors is an integer number (105745788).

Almost surely, 2^845493546 is an apocalyptic number.

845493546 is an abundant number, since it is smaller than the sum of its proper divisors (846439062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

845493546 is a wasteful number, since it uses less digits than its factorization.

845493546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78797.

The product of its digits is 2073600, while the sum is 48.

The square root of 845493546 is about 29077.3717175401. The cubic root of 845493546 is about 945.5912226554.

The spelling of 845493546 in words is "eight hundred forty-five million, four hundred ninety-three thousand, five hundred forty-six".