548145320 has 32 divisors (see below), whose sum is σ = 1250228520. Its totient is φ = 216253440.

The previous prime is 548145293. The next prime is 548145337. The reversal of 548145320 is 23541845.

It can be written as a sum of positive squares in 4 ways, for example, as 368102596 + 180042724 = 19186^2 + 13418^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90941 + ... + 96780.

Almost surely, 2^548145320 is an apocalyptic number.

It is an amenable number.

548145320 is an abundant number, since it is smaller than the sum of its proper divisors (702083200).

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

548145320 is a wasteful number, since it uses less digits than its factorization.

548145320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187805 (or 187801 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 548145320 is about 23412.5034970633. The cubic root of 548145320 is about 818.3992766240.

The spelling of 548145320 in words is "five hundred forty-eight million, one hundred forty-five thousand, three hundred twenty".