548179945 has 4 divisors (see below), whose sum is σ = 657815940. Its totient is φ = 438543952.

The previous prime is 548179937. The next prime is 548179969. The reversal of 548179945 is 549971845.

548179945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 404371881 + 143808064 = 20109^2 + 11992^2 .

It is a cyclic number.

It is not a de Polignac number, because 548179945 - 2³ = 548179937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 548179892 and 548179901.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54817990 + ... + 54817999.

It is an arithmetic number, because the mean of its divisors is an integer number (164453985).

Almost surely, 2^548179945 is an apocalyptic number.

It is an amenable number.

548179945 is a deficient number, since it is larger than the sum of its proper divisors (109635995).

548179945 is a wasteful number, since it uses less digits than its factorization.

548179945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109635994.

The product of its digits is 1814400, while the sum is 52.

The square root of 548179945 is about 23413.2429406949. The cubic root of 548179945 is about 818.4165083551.

The spelling of 548179945 in words is "five hundred forty-eight million, one hundred seventy-nine thousand, nine hundred forty-five".