30148232 has 8 divisors (see below), whose sum is σ = 56527950. Its totient is φ = 15074112.

The previous prime is 30148211. The next prime is 30148241. The reversal of 30148232 is 23284103.

It can be written as a sum of positive squares in only one way, i.e., 25542916 + 4605316 = 5054^2 + 2146^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 30148198 and 30148207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1884257 + ... + 1884272.

Almost surely, 2^30148232 is an apocalyptic number.

It is an amenable number.

30148232 is a deficient number, since it is larger than the sum of its proper divisors (26379718).

30148232 is a wasteful number, since it uses less digits than its factorization.

30148232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768535 (or 3768531 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 30148232 is about 5490.7405693586. The cubic root of 30148232 is about 311.2341781068.

The spelling of 30148232 in words is "thirty million, one hundred forty-eight thousand, two hundred thirty-two".