30145208 has 16 divisors (see below), whose sum is σ = 56931000. Its totient is φ = 14963616.

The previous prime is 30145207. The next prime is 30145231. The reversal of 30145208 is 80254103.

It is a super-3 number, since 3×30145208³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30145207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12443 + ... + 14666.

Almost surely, 2^30145208 is an apocalyptic number.

It is an amenable number.

30145208 is a deficient number, since it is larger than the sum of its proper divisors (26785792).

30145208 is a wasteful number, since it uses less digits than its factorization.

30145208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27254 (or 27250 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 30145208 is about 5490.4651897631. The cubic root of 30145208 is about 311.2237717075.

The spelling of 30145208 in words is "thirty million, one hundred forty-five thousand, two hundred eight".