30145463 has 4 divisors (see below), whose sum is σ = 30158400. Its totient is φ = 30132528.

The previous prime is 30145447. The next prime is 30145469. The reversal of 30145463 is 36454103.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 30145463 - 2⁴ = 30145447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30145469) 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 3 ways as a sum of consecutive naturals, for example, 1895 + ... + 7992.

It is an arithmetic number, because the mean of its divisors is an integer number (7539600).

Almost surely, 2^30145463 is an apocalyptic number.

30145463 is a deficient number, since it is larger than the sum of its proper divisors (12937).

30145463 is an equidigital number, since it uses as much as digits as its factorization.

30145463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12936.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 30145463 is about 5490.4884117900. The cubic root of 30145463 is about 311.2246492581.

Adding to 30145463 its reverse (36454103), we get a palindrome (66599566).

The spelling of 30145463 in words is "thirty million, one hundred forty-five thousand, four hundred sixty-three".