545322305 has 8 divisors (see below), whose sum is σ = 713876544. Its totient is φ = 396598000.

The previous prime is 545322289. The next prime is 545322307. The reversal of 545322305 is 503223545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 545322305 - 2⁴ = 545322289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545322307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4957421 + ... + 4957530.

It is an arithmetic number, because the mean of its divisors is an integer number (89234568).

Almost surely, 2^545322305 is an apocalyptic number.

545322305 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545322305 is a deficient number, since it is larger than the sum of its proper divisors (168554239).

545322305 is a wasteful number, since it uses less digits than its factorization.

545322305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9914967.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 545322305 is about 23352.1370542398. The cubic root of 545322305 is about 816.9919059038.

The spelling of 545322305 in words is "five hundred forty-five million, three hundred twenty-two thousand, three hundred five".