30148 has 6 divisors (see below), whose sum is σ = 52766. Its totient is φ = 15072.

The previous prime is 30139. The next prime is 30161. The reversal of 30148 is 84103.

It can be written as a sum of positive squares in only one way, i.e., 24964 + 5184 = 158^2 + 72^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3765 + ... + 3772.

2³⁰¹⁴⁸ is an apocalyptic number.

It is an amenable number.

30148 is a deficient number, since it is larger than the sum of its proper divisors (22618).

30148 is a wasteful number, since it uses less digits than its factorization.

30148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7541 (or 7539 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 30148 is about 173.6317943235. The cubic root of 30148 is about 31.1233379757.

The spelling of 30148 in words is "thirty thousand, one hundred forty-eight".