845242548 has 72 divisors (see below), whose sum is σ = 2106319488. Its totient is φ = 263670528.

The previous prime is 845242507. The next prime is 845242549.

845242548 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 (845242549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296940 + ... + 299772.

Almost surely, 2^845242548 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 845242548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1053159744).

845242548 is an abundant number, since it is smaller than the sum of its proper divisors (1261076940).

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

845242548 is a wasteful number, since it uses less digits than its factorization.

845242548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933 (or 2908 counting only the distinct ones).

The product of its digits is 409600, while the sum is 42.

The square root of 845242548 is about 29073.0553605912. The cubic root of 845242548 is about 945.4976422069.

The spelling of 845242548 in words is "eight hundred forty-five million, two hundred forty-two thousand, five hundred forty-eight".