30516228438145 has 8 divisors (see below), whose sum is σ = 36625464588456. Its totient is φ = 24408989108736.

The previous prime is 30516228438133. The next prime is 30516228438167. The reversal of 30516228438145 is 54183482261503.

It can be written as a sum of positive squares in 4 ways, for example, as 1744848139329 + 28771380298816 = 1320927^2 + 5363896^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30516228438145 - 2¹⁷ = 30516228307073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30516228438092 and 30516228438101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499171602 + ... + 499232731.

It is an arithmetic number, because the mean of its divisors is an integer number (4578183073557).

Almost surely, 2^{30516228438145} is an apocalyptic number.

It is an amenable number.

30516228438145 is a deficient number, since it is larger than the sum of its proper divisors (6109236150311).

30516228438145 is an equidigital number, since it uses as much as digits as its factorization.

30516228438145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998410451.

The product of its (nonzero) digits is 5529600, while the sum is 52.

The spelling of 30516228438145 in words is "thirty trillion, five hundred sixteen billion, two hundred twenty-eight million, four hundred thirty-eight thousand, one hundred forty-five".