30320148 has 24 divisors (see below), whose sum is σ = 70839328. Its totient is φ = 10093536.

The previous prime is 30320137. The next prime is 30320161. The reversal of 30320148 is 84102303.

It is a happy number.

It is a super-2 number, since 2×30320148² = 1838622749483808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13515 + ... + 15597.

Almost surely, 2^30320148 is an apocalyptic number.

It is an amenable number.

30320148 is an abundant number, since it is smaller than the sum of its proper divisors (40519180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30320148 is a wasteful number, since it uses less digits than its factorization.

30320148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303 (or 3301 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 30320148 is about 5506.3733981633. The cubic root of 30320148 is about 311.8246466981.

The spelling of 30320148 in words is "thirty million, three hundred twenty thousand, one hundred forty-eight".