30450115 has 4 divisors (see below), whose sum is σ = 36540144. Its totient is φ = 24360088.

The previous prime is 30450089. The next prime is 30450139. The reversal of 30450115 is 51105403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51105403 = 47 ⋅1087349.

It is a cyclic number.

It is not a de Polignac number, because 30450115 - 2²¹ = 28352963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30450092 and 30450101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3045007 + ... + 3045016.

It is an arithmetic number, because the mean of its divisors is an integer number (9135036).

Almost surely, 2^30450115 is an apocalyptic number.

30450115 is a deficient number, since it is larger than the sum of its proper divisors (6090029).

30450115 is an equidigital number, since it uses as much as digits as its factorization.

30450115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6090028.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 30450115 is about 5518.1622846741. The cubic root of 30450115 is about 312.2695559742.

Adding to 30450115 its reverse (51105403), we get a palindrome (81555518).

The spelling of 30450115 in words is "thirty million, four hundred fifty thousand, one hundred fifteen".