328543145 has 16 divisors (see below), whose sum is σ = 451768320. Its totient is φ = 224689344.

The previous prime is 328543141. The next prime is 328543147. The reversal of 328543145 is 541345823.

It is a cyclic number.

It is not a de Polignac number, because 328543145 - 2² = 328543141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (328543141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1151 + ... + 25659.

It is an arithmetic number, because the mean of its divisors is an integer number (28235520).

Almost surely, 2^328543145 is an apocalyptic number.

328543145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

328543145 is a deficient number, since it is larger than the sum of its proper divisors (123225175).

328543145 is a wasteful number, since it uses less digits than its factorization.

328543145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24904.

The product of its digits is 57600, while the sum is 35.

The square root of 328543145 is about 18125.7591565153. The cubic root of 328543145 is about 690.0239052139.

Adding to 328543145 its reverse (541345823), we get a palindrome (869888968).

The spelling of 328543145 in words is "three hundred twenty-eight million, five hundred forty-three thousand, one hundred forty-five".