548017861145 has 4 divisors (see below), whose sum is σ = 657621433380. Its totient is φ = 438414288912.

The previous prime is 548017861133. The next prime is 548017861207. The reversal of 548017861145 is 541168710845.

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 157447859209 + 390570001936 = 396797^2 + 624956^2 .

It is a cyclic number.

It is not a de Polignac number, because 548017861145 - 2¹⁴ = 548017844761 is a prime.

It is a super-2 number, since 2×548017861145² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 548017861093 and 548017861102.

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, 54801786110 + ... + 54801786119.

It is an arithmetic number, because the mean of its divisors is an integer number (164405358345).

Almost surely, 2^548017861145 is an apocalyptic number.

It is an amenable number.

548017861145 is a deficient number, since it is larger than the sum of its proper divisors (109603572235).

548017861145 is a wasteful number, since it uses less digits than its factorization.

548017861145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109603572234.

The product of its (nonzero) digits is 1075200, while the sum is 50.

The spelling of 548017861145 in words is "five hundred forty-eight billion, seventeen million, eight hundred sixty-one thousand, one hundred forty-five".