30156148 has 12 divisors (see below), whose sum is σ = 57570912. Its totient is φ = 13707320.

The previous prime is 30156127. The next prime is 30156157. The reversal of 30156148 is 84165103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342640 + ... + 342727.

It is an arithmetic number, because the mean of its divisors is an integer number (4797576).

Almost surely, 2^30156148 is an apocalyptic number.

It is an amenable number.

30156148 is a deficient number, since it is larger than the sum of its proper divisors (27414764).

30156148 is a wasteful number, since it uses less digits than its factorization.

30156148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685382 (or 685380 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 30156148 is about 5491.4613719847. The cubic root of 30156148 is about 311.2614159025.

The spelling of 30156148 in words is "thirty million, one hundred fifty-six thousand, one hundred forty-eight".