30148285 has 16 divisors (see below), whose sum is σ = 37915776. Its totient is φ = 22969408.

The previous prime is 30148277. The next prime is 30148309. The reversal of 30148285 is 58284103.

It is a cyclic number.

It is not a de Polignac number, because 30148285 - 2³ = 30148277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36042 + ... + 36868.

It is an arithmetic number, because the mean of its divisors is an integer number (2369736).

Almost surely, 2^30148285 is an apocalyptic number.

It is an amenable number.

30148285 is a deficient number, since it is larger than the sum of its proper divisors (7767491).

30148285 is a wasteful number, since it uses less digits than its factorization.

30148285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 30148285 is about 5490.7453956635. The cubic root of 30148285 is about 311.2343604879.

The spelling of 30148285 in words is "thirty million, one hundred forty-eight thousand, two hundred eighty-five".