845178264 has 144 divisors (see below), whose sum is σ = 2728154520. Its totient is φ = 235549440.

The previous prime is 845178259. The next prime is 845178281. The reversal of 845178264 is 462871548.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 141727 + ... + 147569.

Almost surely, 2^845178264 is an apocalyptic number.

845178264 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 845178264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1364077260).

845178264 is an abundant number, since it is smaller than the sum of its proper divisors (1882976256).

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

845178264 is a wasteful number, since it uses less digits than its factorization.

845178264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5910 (or 5896 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 845178264 is about 29071.9497798135. The cubic root of 845178264 is about 945.4736720019.

The spelling of 845178264 in words is "eight hundred forty-five million, one hundred seventy-eight thousand, two hundred sixty-four".