30148173 has 32 divisors (see below), whose sum is σ = 49351680. Its totient is φ = 18036720.

The previous prime is 30148171. The next prime is 30148189. The reversal of 30148173 is 37184103.

It is not a de Polignac number, because 30148173 - 2¹ = 30148171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30148171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24040 + ... + 25262.

It is an arithmetic number, because the mean of its divisors is an integer number (1542240).

Almost surely, 2^30148173 is an apocalyptic number.

30148173 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

30148173 is a deficient number, since it is larger than the sum of its proper divisors (19203507).

30148173 is a wasteful number, since it uses less digits than its factorization.

30148173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326 (or 1320 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 30148173 is about 5490.7351966745. The cubic root of 30148173 is about 311.2339750786.

The spelling of 30148173 in words is "thirty million, one hundred forty-eight thousand, one hundred seventy-three".