545499194 has 4 divisors (see below), whose sum is σ = 818248794. Its totient is φ = 272749596.

The previous prime is 545499181. The next prime is 545499203. The reversal of 545499194 is 491994545.

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., 538008025 + 7491169 = 23195^2 + 2737^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136374797 + ... + 136374800.

Almost surely, 2^545499194 is an apocalyptic number.

545499194 is a deficient number, since it is larger than the sum of its proper divisors (272749600).

545499194 is a wasteful number, since it uses less digits than its factorization.

545499194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272749599.

The product of its digits is 1166400, while the sum is 50.

The square root of 545499194 is about 23355.9241735368. The cubic root of 545499194 is about 817.0802336425.

The spelling of 545499194 in words is "five hundred forty-five million, four hundred ninety-nine thousand, one hundred ninety-four".