30045134 has 24 divisors (see below), whose sum is σ = 52710408. Its totient is φ = 12806640.

The previous prime is 30045133. The next prime is 30045151. The reversal of 30045134 is 43154003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30045133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19952 + ... + 21404.

It is an arithmetic number, because the mean of its divisors is an integer number (2196267).

Almost surely, 2^30045134 is an apocalyptic number.

30045134 is a deficient number, since it is larger than the sum of its proper divisors (22665274).

30045134 is a wasteful number, since it uses less digits than its factorization.

30045134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680 (or 1673 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30045134 is about 5481.3441782103. The cubic root of 30045134 is about 310.8789967742.

Adding to 30045134 its reverse (43154003), we get a palindrome (73199137).

The spelling of 30045134 in words is "thirty million, forty-five thousand, one hundred thirty-four".