320132545 has 8 divisors (see below), whose sum is σ = 384319296. Its totient is φ = 255999216.

The previous prime is 320132513. The next prime is 320132587. The reversal of 320132545 is 545231023.

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

It is a cyclic number.

It is not a de Polignac number, because 320132545 - 2⁵ = 320132513 is a prime.

It is a Duffinian number.

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, 1294 + ... + 25336.

It is an arithmetic number, because the mean of its divisors is an integer number (48039912).

Almost surely, 2^320132545 is an apocalyptic number.

It is an amenable number.

320132545 is a deficient number, since it is larger than the sum of its proper divisors (64186751).

320132545 is a wasteful number, since it uses less digits than its factorization.

320132545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26711.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 320132545 is about 17892.2481818244. The cubic root of 320132545 is about 684.0848026191.

Adding to 320132545 its reverse (545231023), we get a palindrome (865363568).

The spelling of 320132545 in words is "three hundred twenty million, one hundred thirty-two thousand, five hundred forty-five".