845688548148 has 12 divisors (see below), whose sum is σ = 1973273279040. Its totient is φ = 281896182712.

The previous prime is 845688548141. The next prime is 845688548167. The reversal of 845688548148 is 841845886548.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×845688548148² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845688548141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35237022828 + ... + 35237022851.

It is an arithmetic number, because the mean of its divisors is an integer number (164439439920).

Almost surely, 2^845688548148 is an apocalyptic number.

It is an amenable number.

845688548148 is an abundant number, since it is smaller than the sum of its proper divisors (1127584730892).

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

845688548148 is a wasteful number, since it uses less digits than its factorization.

845688548148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70474045686 (or 70474045684 counting only the distinct ones).

The product of its digits is 314572800, while the sum is 69.

The spelling of 845688548148 in words is "eight hundred forty-five billion, six hundred eighty-eight million, five hundred forty-eight thousand, one hundred forty-eight".