320146001 has 4 divisors (see below), whose sum is σ = 365881152. Its totient is φ = 274410852.

The previous prime is 320145983. The next prime is 320146003. The reversal of 320146001 is 100641023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 320146001 - 2¹⁸ = 319883857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320146003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22867565 + ... + 22867578.

It is an arithmetic number, because the mean of its divisors is an integer number (91470288).

Almost surely, 2^320146001 is an apocalyptic number.

It is an amenable number.

320146001 is a deficient number, since it is larger than the sum of its proper divisors (45735151).

320146001 is an equidigital number, since it uses as much as digits as its factorization.

320146001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45735150.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 320146001 is about 17892.6242066389. The cubic root of 320146001 is about 684.0943871035.

Adding to 320146001 its reverse (100641023), we get a palindrome (420787024).

The spelling of 320146001 in words is "three hundred twenty million, one hundred forty-six thousand, one".