30800000045 has 8 divisors (see below), whose sum is σ = 37047793560. Its totient is φ = 24581471040.

The previous prime is 30800000017. The next prime is 30800000047. The reversal of 30800000045 is 54000000803.

It can be written as a sum of positive squares in 4 ways, for example, as 1697687209 + 29102312836 = 41203^2 + 170594^2 .

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

It is not a de Polignac number, because 30800000045 - 2¹⁴ = 30799983661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30799999972 and 30800000026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30800000047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7313810 + ... + 7318019.

It is an arithmetic number, because the mean of its divisors is an integer number (4630974195).

Almost surely, 2^30800000045 is an apocalyptic number.

It is an amenable number.

30800000045 is a deficient number, since it is larger than the sum of its proper divisors (6247793515).

30800000045 is a wasteful number, since it uses less digits than its factorization.

30800000045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14632255.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 30800000045 its reverse (54000000803), we get a palindrome (84800000848).

The spelling of 30800000045 in words is "thirty billion, eight hundred million, forty-five", and thus it is an aban number.