548145000 has 240 divisors, whose sum is σ = 1999937940. Its totient is φ = 134784000.

The previous prime is 548144983. The next prime is 548145001. The reversal of 548145000 is 541845.

It can be written as a sum of positive squares in 10 ways, for example, as 257987844 + 290157156 = 16062^2 + 17034^2 .

It is not an unprimeable number, because it can be changed into a prime (548145001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 584532 + ... + 585468.

Almost surely, 2^548145000 is an apocalyptic number.

548145000 is a gapful number since it is divisible by the number (50) 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 548145000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (999968970).

548145000 is an abundant number, since it is smaller than the sum of its proper divisors (1451792940).

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

548145000 is a wasteful number, since it uses less digits than its factorization.

548145000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 548145000 is about 23412.4966631071. The cubic root of 548145000 is about 818.3991173670.

Adding to 548145000 its reverse (541845), we get a palindrome (548686845).

The spelling of 548145000 in words is "five hundred forty-eight million, one hundred forty-five thousand".