845886144 has 56 divisors (see below), whose sum is σ = 2240206848. Its totient is φ = 281693440.

The previous prime is 845886131. The next prime is 845886163. The reversal of 845886144 is 441688548.

It is a happy number.

It is a super-2 number, since 2×845886144² = 1431046737222377472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 845886093 and 845886102.

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, 399649 + ... + 401759.

Almost surely, 2^845886144 is an apocalyptic number.

It is an amenable number.

845886144 is an abundant number, since it is smaller than the sum of its proper divisors (1394320704).

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

845886144 is a wasteful number, since it uses less digits than its factorization.

845886144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213 (or 4203 counting only the distinct ones).

The product of its digits is 983040, while the sum is 48.

The square root of 845886144 is about 29084.1218536850. The cubic root of 845886144 is about 945.7375591863.

The spelling of 845886144 in words is "eight hundred forty-five million, eight hundred eighty-six thousand, one hundred forty-four".