30158156 has 24 divisors (see below), whose sum is σ = 61308576. Its totient is φ = 12712320.

The previous prime is 30158147. The next prime is 30158189. The reversal of 30158156 is 65185103.

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, 7121 + ... + 10536.

It is an arithmetic number, because the mean of its divisors is an integer number (2554524).

Almost surely, 2^30158156 is an apocalyptic number.

It is an amenable number.

30158156 is an abundant number, since it is smaller than the sum of its proper divisors (31150420).

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

30158156 is a wasteful number, since it uses less digits than its factorization.

30158156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17729 (or 17727 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 30158156 is about 5491.6441982343. The cubic root of 30158156 is about 311.2683243783.

The spelling of 30158156 in words is "thirty million, one hundred fifty-eight thousand, one hundred fifty-six".