328448045 has 4 divisors (see below), whose sum is σ = 394137660. Its totient is φ = 262758432.

The previous prime is 328448039. The next prime is 328448051. The reversal of 328448045 is 540844823.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (328448039) and next prime (328448051).

It can be written as a sum of positive squares in 2 ways, for example, as 72352036 + 256096009 = 8506^2 + 16003^2 .

It is a cyclic number.

It is not a de Polignac number, because 328448045 - 2⁸ = 328447789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32844800 + ... + 32844809.

It is an arithmetic number, because the mean of its divisors is an integer number (98534415).

Almost surely, 2^328448045 is an apocalyptic number.

It is an amenable number.

328448045 is a deficient number, since it is larger than the sum of its proper divisors (65689615).

328448045 is an equidigital number, since it uses as much as digits as its factorization.

328448045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65689614.

The product of its (nonzero) digits is 122880, while the sum is 38.

The square root of 328448045 is about 18123.1356282515. The cubic root of 328448045 is about 689.9573207516.

The spelling of 328448045 in words is "three hundred twenty-eight million, four hundred forty-eight thousand, forty-five".