545549184346 has 4 divisors (see below), whose sum is σ = 818323776522. Its totient is φ = 272774592172.

The previous prime is 545549184343. The next prime is 545549184379. The reversal of 545549184346 is 643481945545.

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

It can be written as a sum of positive squares in only one way, i.e., 543087933025 + 2461251321 = 736945^2 + 49611^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (545549184343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136387296085 + ... + 136387296088.

Almost surely, 2^545549184346 is an apocalyptic number.

545549184346 is a deficient number, since it is larger than the sum of its proper divisors (272774592176).

545549184346 is a wasteful number, since it uses less digits than its factorization.

545549184346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272774592175.

The product of its digits is 41472000, while the sum is 58.

The spelling of 545549184346 in words is "five hundred forty-five billion, five hundred forty-nine million, one hundred eighty-four thousand, three hundred forty-six".