30145604 has 6 divisors (see below), whose sum is σ = 52754814. Its totient is φ = 15072800.

The previous prime is 30145603. The next prime is 30145613. The reversal of 30145604 is 40654103.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20720704 + 9424900 = 4552^2 + 3070^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30145604.

It is not an unprimeable number, because it can be changed into a prime (30145601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3768197 + ... + 3768204.

It is an arithmetic number, because the mean of its divisors is an integer number (8792469).

Almost surely, 2^30145604 is an apocalyptic number.

It is an amenable number.

30145604 is a deficient number, since it is larger than the sum of its proper divisors (22609210).

30145604 is a wasteful number, since it uses less digits than its factorization.

30145604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7536405 (or 7536403 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 30145604 is about 5490.5012521627. The cubic root of 30145604 is about 311.2251344899.

Adding to 30145604 its reverse (40654103), we get a palindrome (70799707).

The spelling of 30145604 in words is "thirty million, one hundred forty-five thousand, six hundred four".