548598145 has 4 divisors (see below), whose sum is σ = 658317780. Its totient is φ = 438878512.

The previous prime is 548598137. The next prime is 548598151. The reversal of 548598145 is 541895845.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541895845 = 5 ⋅108379169.

It can be written as a sum of positive squares in 2 ways, for example, as 225030001 + 323568144 = 15001^2 + 17988^2 .

It is a cyclic number.

It is not a de Polignac number, because 548598145 - 2³ = 548598137 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 54859810 + ... + 54859819.

It is an arithmetic number, because the mean of its divisors is an integer number (164579445).

Almost surely, 2^548598145 is an apocalyptic number.

It is an amenable number.

548598145 is a deficient number, since it is larger than the sum of its proper divisors (109719635).

548598145 is a wasteful number, since it uses less digits than its factorization.

548598145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109719634.

The product of its digits is 1152000, while the sum is 49.

The square root of 548598145 is about 23422.1720811713. The cubic root of 548598145 is about 818.6245755466.

The spelling of 548598145 in words is "five hundred forty-eight million, five hundred ninety-eight thousand, one hundred forty-five".