845572275548 has 144 divisors (see below), whose sum is σ = 2024868603744. Its totient is φ = 303712335360.

The previous prime is 845572275547. The next prime is 845572275577.

845572275548 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845572275547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22319390 + ... + 22357242.

It is an arithmetic number, because the mean of its divisors is an integer number (14061587526).

Almost surely, 2^845572275548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 845572275548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1012434301872).

845572275548 is an abundant number, since it is smaller than the sum of its proper divisors (1179296328196).

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

845572275548 is a wasteful number, since it uses less digits than its factorization.

845572275548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38692 (or 38683 counting only the distinct ones).

The product of its digits is 125440000, while the sum is 62.

The spelling of 845572275548 in words is "eight hundred forty-five billion, five hundred seventy-two million, two hundred seventy-five thousand, five hundred forty-eight".