30330156 has 48 divisors (see below), whose sum is σ = 75116160. Its totient is φ = 9498240.

The previous prime is 30330149. The next prime is 30330161. The reversal of 30330156 is 65103303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30751 + ... + 31721.

It is an arithmetic number, because the mean of its divisors is an integer number (1564920).

Almost surely, 2^30330156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30330156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37558080).

30330156 is an abundant number, since it is smaller than the sum of its proper divisors (44786004).

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

30330156 is a wasteful number, since it uses less digits than its factorization.

30330156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 30330156 is about 5507.2820882900. The cubic root of 30330156 is about 311.8589516951.

Adding to 30330156 its reverse (65103303), we get a palindrome (95433459).

The spelling of 30330156 in words is "thirty million, three hundred thirty thousand, one hundred fifty-six".