548818945 has 8 divisors (see below), whose sum is σ = 665983080. Its totient is φ = 434121600.

The previous prime is 548818927. The next prime is 548818979. The reversal of 548818945 is 549818845.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13220496 + 535598449 = 3636^2 + 23143^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 548818945 - 2¹³ = 548810753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 548818892 and 548818901.

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, 616206 + ... + 617095.

It is an arithmetic number, because the mean of its divisors is an integer number (83247885).

Almost surely, 2^548818945 is an apocalyptic number.

It is an amenable number.

548818945 is a deficient number, since it is larger than the sum of its proper divisors (117164135).

548818945 is a wasteful number, since it uses less digits than its factorization.

548818945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233395.

The product of its digits is 1843200, while the sum is 52.

The square root of 548818945 is about 23426.8850895718. The cubic root of 548818945 is about 818.7343875973.

The spelling of 548818945 in words is "five hundred forty-eight million, eight hundred eighteen thousand, nine hundred forty-five".