30033149 has 8 divisors (see below), whose sum is σ = 30626232. Its totient is φ = 29445120.

The previous prime is 30033131. The next prime is 30033151. The reversal of 30033149 is 94133003.

It can be written as a sum of positive squares in 4 ways, for example, as 2805625 + 27227524 = 1675^2 + 5218^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30033149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30033119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12077 + ... + 14349.

It is an arithmetic number, because the mean of its divisors is an integer number (3828279).

Almost surely, 2^30033149 is an apocalyptic number.

It is an amenable number.

30033149 is a deficient number, since it is larger than the sum of its proper divisors (593083).

30033149 is a wasteful number, since it uses less digits than its factorization.

30033149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 30033149 is about 5480.2508154281. The cubic root of 30033149 is about 310.8376547463.

The spelling of 30033149 in words is "thirty million, thirty-three thousand, one hundred forty-nine".