30162148 has 12 divisors (see below), whose sum is σ = 55888812. Its totient is φ = 14193920.

The previous prime is 30162137. The next prime is 30162161. The reversal of 30162148 is 84126103.

It can be written as a sum of positive squares in 2 ways, for example, as 25180324 + 4981824 = 5018^2 + 2232^2 .

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 3 ways as a sum of consecutive naturals, for example, 221713 + ... + 221848.

It is an arithmetic number, because the mean of its divisors is an integer number (4657401).

Almost surely, 2^30162148 is an apocalyptic number.

It is an amenable number.

30162148 is a deficient number, since it is larger than the sum of its proper divisors (25726664).

30162148 is a wasteful number, since it uses less digits than its factorization.

30162148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443582 (or 443580 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 30162148 is about 5492.0076474819. The cubic root of 30162148 is about 311.2820578476.

The spelling of 30162148 in words is "thirty million, one hundred sixty-two thousand, one hundred forty-eight".