30149248 has 16 divisors (see below), whose sum is σ = 60063210. Its totient is φ = 15074560.

The previous prime is 30149237. The next prime is 30149261. The reversal of 30149248 is 84294103.

It can be written as a sum of positive squares in only one way, i.e., 22353984 + 7795264 = 4728^2 + 2792^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117643 + ... + 117898.

Almost surely, 2^30149248 is an apocalyptic number.

It is an amenable number.

30149248 is a deficient number, since it is larger than the sum of its proper divisors (29913962).

30149248 is an equidigital number, since it uses as much as digits as its factorization.

30149248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235555 (or 235543 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 30149248 is about 5490.8330879749. The cubic root of 30149248 is about 311.2376742806.

The spelling of 30149248 in words is "thirty million, one hundred forty-nine thousand, two hundred forty-eight".