30450043 has 16 divisors (see below), whose sum is σ = 34939296. Its totient is φ = 26288640.

The previous prime is 30450023. The next prime is 30450053. The reversal of 30450043 is 34005403.

It is a cyclic number.

It is not a de Polignac number, because 30450043 - 2⁵ = 30450011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30450043.

It is not an unprimeable number, because it can be changed into a prime (30450023) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 46305 + ... + 46957.

It is an arithmetic number, because the mean of its divisors is an integer number (2183706).

Almost surely, 2^30450043 is an apocalyptic number.

30450043 is a deficient number, since it is larger than the sum of its proper divisors (4489253).

30450043 is a wasteful number, since it uses less digits than its factorization.

30450043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894.

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

The square root of 30450043 is about 5518.1557607592. The cubic root of 30450043 is about 312.2693098511.

Adding to 30450043 its reverse (34005403), we get a palindrome (64455446).

The spelling of 30450043 in words is "thirty million, four hundred fifty thousand, forty-three".