30148255 has 16 divisors (see below), whose sum is σ = 38141280. Its totient is φ = 22841728.

The previous prime is 30148253. The next prime is 30148267. The reversal of 30148255 is 55284103.

It is not a de Polignac number, because 30148255 - 2¹ = 30148253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30148253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5724 + ... + 9646.

It is an arithmetic number, because the mean of its divisors is an integer number (2383830).

Almost surely, 2^30148255 is an apocalyptic number.

30148255 is a deficient number, since it is larger than the sum of its proper divisors (7993025).

30148255 is a wasteful number, since it uses less digits than its factorization.

30148255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 30148255 is about 5490.7426637933. The cubic root of 30148255 is about 311.2342572534.

It can be divided in two parts, 30148 and 255, that added together give a palindrome (30403).

The spelling of 30148255 in words is "thirty million, one hundred forty-eight thousand, two hundred fifty-five".