30030149 has 4 divisors (see below), whose sum is σ = 30102240. Its totient is φ = 29958060.

The previous prime is 30030131. The next prime is 30030151. The reversal of 30030149 is 94103003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30030149 - 2⁸ = 30029893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30030149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35417 + ... + 36254.

It is an arithmetic number, because the mean of its divisors is an integer number (7525560).

Almost surely, 2^30030149 is an apocalyptic number.

It is an amenable number.

30030149 is a deficient number, since it is larger than the sum of its proper divisors (72091).

30030149 is an equidigital number, since it uses as much as digits as its factorization.

30030149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72090.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 30030149 is about 5479.9770984923. The cubic root of 30030149 is about 310.8273045827.

The spelling of 30030149 in words is "thirty million, thirty thousand, one hundred forty-nine".