30145036 has 24 divisors (see below), whose sum is σ = 54966240. Its totient is φ = 14448000.

The previous prime is 30145033. The next prime is 30145043. The reversal of 30145036 is 63054103.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 30144998 and 30145016.

It is not an unprimeable number, because it can be changed into a prime (30145033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16656 + ... + 18376.

It is an arithmetic number, because the mean of its divisors is an integer number (2290260).

Almost surely, 2^30145036 is an apocalyptic number.

It is an amenable number.

30145036 is a deficient number, since it is larger than the sum of its proper divisors (24821204).

30145036 is a wasteful number, since it uses less digits than its factorization.

30145036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905 (or 1903 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 30145036 is about 5490.4495262228. The cubic root of 30145036 is about 311.2231797882.

Adding to 30145036 its reverse (63054103), we get a palindrome (93199139).

The spelling of 30145036 in words is "thirty million, one hundred forty-five thousand, thirty-six".