30148474 has 8 divisors (see below), whose sum is σ = 45246708. Its totient is φ = 15066240.

The previous prime is 30148453. The next prime is 30148493. The reversal of 30148474 is 47484103.

It can be written as a sum of positive squares in 2 ways, for example, as 22896225 + 7252249 = 4785^2 + 2693^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3604 + ... + 8560.

Almost surely, 2^30148474 is an apocalyptic number.

30148474 is a deficient number, since it is larger than the sum of its proper divisors (15098234).

30148474 is a wasteful number, since it uses less digits than its factorization.

30148474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8000.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 30148474 is about 5490.7626064145. The cubic root of 30148474 is about 311.2350108640.

The spelling of 30148474 in words is "thirty million, one hundred forty-eight thousand, four hundred seventy-four".