545047394 has 16 divisors (see below), whose sum is σ = 845752320. Its totient is φ = 263167680.

The previous prime is 545047379. The next prime is 545047411. The reversal of 545047394 is 493740545.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 20522 + ... + 38874.

It is an arithmetic number, because the mean of its divisors is an integer number (52859520).

Almost surely, 2^545047394 is an apocalyptic number.

545047394 is a deficient number, since it is larger than the sum of its proper divisors (300704926).

545047394 is a wasteful number, since it uses less digits than its factorization.

545047394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18865.

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 545047394 is about 23346.2501057450. The cubic root of 545047394 is about 816.8545939493.

The spelling of 545047394 in words is "five hundred forty-five million, forty-seven thousand, three hundred ninety-four".