548145505 has 8 divisors (see below), whose sum is σ = 657951552. Its totient is φ = 438398448.

The previous prime is 548145473. The next prime is 548145511. The reversal of 548145505 is 505541845.

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

It is a cyclic number.

It is not a de Polignac number, because 548145505 - 2⁵ = 548145473 is a prime.

It is a Duffinian number.

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, 9252 + ... + 34378.

It is an arithmetic number, because the mean of its divisors is an integer number (82243944).

Almost surely, 2^548145505 is an apocalyptic number.

It is an amenable number.

548145505 is a deficient number, since it is larger than the sum of its proper divisors (109806047).

548145505 is a wasteful number, since it uses less digits than its factorization.

548145505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29495.

The product of its (nonzero) digits is 80000, while the sum is 37.

The square root of 548145505 is about 23412.5074479433. The cubic root of 548145505 is about 818.3993686943.

The spelling of 548145505 in words is "five hundred forty-eight million, one hundred forty-five thousand, five hundred five".