545961194 has 4 divisors (see below), whose sum is σ = 818941794. Its totient is φ = 272980596.

The previous prime is 545961193. The next prime is 545961203. The reversal of 545961194 is 491169545.

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., 511890625 + 34070569 = 22625^2 + 5837^2 .

It is not an unprimeable number, because it can be changed into a prime (545961193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136490297 + ... + 136490300.

Almost surely, 2^545961194 is an apocalyptic number.

545961194 is a deficient number, since it is larger than the sum of its proper divisors (272980600).

545961194 is a wasteful number, since it uses less digits than its factorization.

545961194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272980599.

The product of its digits is 194400, while the sum is 44.

The square root of 545961194 is about 23365.8125045974. The cubic root of 545961194 is about 817.3108386569.

The spelling of 545961194 in words is "five hundred forty-five million, nine hundred sixty-one thousand, one hundred ninety-four".