30040149 has 8 divisors (see below), whose sum is σ = 40222080. Its totient is φ = 19942496.

The previous prime is 30040141. The next prime is 30040151. The reversal of 30040149 is 94104003.

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

It is a cyclic number.

It is not a de Polignac number, because 30040149 - 2³ = 30040141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30040141) 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 7 ways as a sum of consecutive naturals, for example, 20232 + ... + 21665.

It is an arithmetic number, because the mean of its divisors is an integer number (5027760).

Almost surely, 2^30040149 is an apocalyptic number.

It is an amenable number.

30040149 is a deficient number, since it is larger than the sum of its proper divisors (10181931).

30040149 is a wasteful number, since it uses less digits than its factorization.

30040149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42139.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 30040149 is about 5480.8894351191. The cubic root of 30040149 is about 310.8618024479.

The spelling of 30040149 in words is "thirty million, forty thousand, one hundred forty-nine".