30145863 has 16 divisors (see below), whose sum is σ = 44199936. Its totient is φ = 18123840.

The previous prime is 30145831. The next prime is 30145883. The reversal of 30145863 is 36854103.

It is not a de Polignac number, because 30145863 - 2⁵ = 30145831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30145863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30145823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595 + ... + 7787.

It is an arithmetic number, because the mean of its divisors is an integer number (2762496).

Almost surely, 2^30145863 is an apocalyptic number.

30145863 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

30145863 is a deficient number, since it is larger than the sum of its proper divisors (14054073).

30145863 is a wasteful number, since it uses less digits than its factorization.

30145863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7334.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 30145863 is about 5490.5248383010. The cubic root of 30145863 is about 311.2260257981.

Adding to 30145863 its reverse (36854103), we get a palindrome (66999966).

It can be divided in two parts, 301 and 45863, that added together give a palindrome (46164).

The spelling of 30145863 in words is "thirty million, one hundred forty-five thousand, eight hundred sixty-three".