30145425 has 12 divisors (see below), whose sum is σ = 49840560. Its totient is φ = 16077520.

The previous prime is 30145333. The next prime is 30145439. The reversal of 30145425 is 52454103.

It is not a de Polignac number, because 30145425 - 2⁸ = 30145169 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30145395 and 30145404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200895 + ... + 201044.

It is an arithmetic number, because the mean of its divisors is an integer number (4153380).

Almost surely, 2^30145425 is an apocalyptic number.

It is an amenable number.

30145425 is a deficient number, since it is larger than the sum of its proper divisors (19695135).

30145425 is a wasteful number, since it uses less digits than its factorization.

30145425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401952 (or 401947 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 30145425 is about 5490.4849512589. The cubic root of 30145425 is about 311.2245184862.

Adding to 30145425 its reverse (52454103), we get a palindrome (82599528).

The spelling of 30145425 in words is "thirty million, one hundred forty-five thousand, four hundred twenty-five".