328156562545 has 36 divisors (see below), whose sum is σ = 470795397660. Its totient is φ = 218939753088.

The previous prime is 328156562537. The next prime is 328156562549. The reversal of 328156562545 is 545265651823.

It can be written as a sum of positive squares in 6 ways, for example, as 125081054224 + 203075508321 = 353668^2 + 450639^2 .

It is not a de Polignac number, because 328156562545 - 2³ = 328156562537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 328156562492 and 328156562501.

It is not an unprimeable number, because it can be changed into a prime (328156562549) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 153790 + ... + 824599.

It is an arithmetic number, because the mean of its divisors is an integer number (13077649935).

Almost surely, 2^328156562545 is an apocalyptic number.

328156562545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

328156562545 is a deficient number, since it is larger than the sum of its proper divisors (142638835115).

328156562545 is an equidigital number, since it uses as much as digits as its factorization.

328156562545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978482 (or 978438 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 52.

The spelling of 328156562545 in words is "three hundred twenty-eight billion, one hundred fifty-six million, five hundred sixty-two thousand, five hundred forty-five".