30430045 has 4 divisors (see below), whose sum is σ = 36516060. Its totient is φ = 24344032.

The previous prime is 30430027. The next prime is 30430061. The reversal of 30430045 is 54003403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54003403 = 251 ⋅215153.

It can be written as a sum of positive squares in 2 ways, for example, as 15476356 + 14953689 = 3934^2 + 3867^2 .

It is a cyclic number.

It is not a de Polignac number, because 30430045 - 2⁵ = 30430013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3043000 + ... + 3043009.

It is an arithmetic number, because the mean of its divisors is an integer number (9129015).

Almost surely, 2^30430045 is an apocalyptic number.

It is an amenable number.

30430045 is a deficient number, since it is larger than the sum of its proper divisors (6086015).

30430045 is an equidigital number, since it uses as much as digits as its factorization.

30430045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6086014.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 30430045 is about 5516.3434447105. The cubic root of 30430045 is about 312.2009341487.

Adding to 30430045 its reverse (54003403), we get a palindrome (84433448).

The spelling of 30430045 in words is "thirty million, four hundred thirty thousand, forty-five".