30155148 has 36 divisors (see below), whose sum is σ = 78289120. Its totient is φ = 9779616.

The previous prime is 30155141. The next prime is 30155149. The reversal of 30155148 is 84155103.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (30155141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9988 + ... + 12651.

Almost surely, 2^30155148 is an apocalyptic number.

It is an amenable number.

30155148 is an abundant number, since it is smaller than the sum of its proper divisors (48133972).

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

30155148 is a wasteful number, since it uses less digits than its factorization.

30155148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22686 (or 22681 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 30155148 is about 5491.3703207851. The cubic root of 30155148 is about 311.2579753122.

It can be divided in two parts, 30155 and 148, that added together give a palindrome (30303).

The spelling of 30155148 in words is "thirty million, one hundred fifty-five thousand, one hundred forty-eight".