30148234 has 4 divisors (see below), whose sum is σ = 45222354. Its totient is φ = 15074116.

The previous prime is 30148211. The next prime is 30148241. The reversal of 30148234 is 43284103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43284103 = 131 ⋅330413.

It can be written as a sum of positive squares in only one way, i.e., 28037025 + 2111209 = 5295^2 + 1453^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30148199 and 30148208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7537057 + ... + 7537060.

Almost surely, 2^30148234 is an apocalyptic number.

30148234 is a deficient number, since it is larger than the sum of its proper divisors (15074120).

30148234 is a wasteful number, since it uses less digits than its factorization.

30148234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15074119.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 30148234 is about 5490.7407514834. The cubic root of 30148234 is about 311.2341849891.

The spelling of 30148234 in words is "thirty million, one hundred forty-eight thousand, two hundred thirty-four".