545315066 has 4 divisors (see below), whose sum is σ = 817972602. Its totient is φ = 272657532.

The previous prime is 545315053. The next prime is 545315081. The reversal of 545315066 is 660513545.

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., 544989025 + 326041 = 23345^2 + 571^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136328765 + ... + 136328768.

Almost surely, 2^545315066 is an apocalyptic number.

545315066 is a deficient number, since it is larger than the sum of its proper divisors (272657536).

545315066 is a wasteful number, since it uses less digits than its factorization.

545315066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272657535.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 545315066 is about 23351.9820572045. The cubic root of 545315066 is about 816.9882907753.

The spelling of 545315066 in words is "five hundred forty-five million, three hundred fifteen thousand, sixty-six".