328155465 has 32 divisors (see below), whose sum is σ = 576617472. Its totient is φ = 158040000.

The previous prime is 328155461. The next prime is 328155557. The reversal of 328155465 is 564551823.

It is not a de Polignac number, because 328155465 - 2² = 328155461 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (328155461) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 18330 + ... + 31500.

It is an arithmetic number, because the mean of its divisors is an integer number (18019296).

Almost surely, 2^328155465 is an apocalyptic number.

It is an amenable number.

328155465 is a deficient number, since it is larger than the sum of its proper divisors (248462007).

328155465 is a wasteful number, since it uses less digits than its factorization.

328155465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13341.

The product of its digits is 144000, while the sum is 39.

The square root of 328155465 is about 18115.0618271095. The cubic root of 328155465 is about 689.7523896252.

The spelling of 328155465 in words is "three hundred twenty-eight million, one hundred fifty-five thousand, four hundred sixty-five".