30149165 has 16 divisors (see below), whose sum is σ = 36986880. Its totient is φ = 23587200.

The previous prime is 30149131. The next prime is 30149167. The reversal of 30149165 is 56194103.

It is not a de Polignac number, because 30149165 - 2¹⁰ = 30148141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30149167) 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 15 ways as a sum of consecutive naturals, for example, 49865 + ... + 50465.

It is an arithmetic number, because the mean of its divisors is an integer number (2311680).

Almost surely, 2^30149165 is an apocalyptic number.

It is an amenable number.

30149165 is a deficient number, since it is larger than the sum of its proper divisors (6837715).

30149165 is a wasteful number, since it uses less digits than its factorization.

30149165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 30149165 is about 5490.8255299181. The cubic root of 30149165 is about 311.2373886709.

The spelling of 30149165 in words is "thirty million, one hundred forty-nine thousand, one hundred sixty-five".