30230545 has 4 divisors (see below), whose sum is σ = 36276660. Its totient is φ = 24184432.

The previous prime is 30230527. The next prime is 30230587. The reversal of 30230545 is 54503203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54503203 = 3851 ⋅14153.

It can be written as a sum of positive squares in 2 ways, for example, as 22429696 + 7800849 = 4736^2 + 2793^2 .

It is a cyclic number.

It is not a de Polignac number, because 30230545 - 2⁵ = 30230513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3023050 + ... + 3023059.

It is an arithmetic number, because the mean of its divisors is an integer number (9069165).

Almost surely, 2^30230545 is an apocalyptic number.

It is an amenable number.

30230545 is a deficient number, since it is larger than the sum of its proper divisors (6046115).

30230545 is an equidigital number, since it uses as much as digits as its factorization.

30230545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6046114.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 30230545 is about 5498.2310791745. The cubic root of 30230545 is about 311.5171724673.

Adding to 30230545 its reverse (54503203), we get a palindrome (84733748).

The spelling of 30230545 in words is "thirty million, two hundred thirty thousand, five hundred forty-five".