30380145 has 64 divisors (see below), whose sum is σ = 54574080. Its totient is φ = 14370048.

The previous prime is 30380137. The next prime is 30380149. The reversal of 30380145 is 54108303.

It is not a de Polignac number, because 30380145 - 2³ = 30380137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30380149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 453402 + ... + 453468.

It is an arithmetic number, because the mean of its divisors is an integer number (852720).

Almost surely, 2^30380145 is an apocalyptic number.

It is an amenable number.

30380145 is a deficient number, since it is larger than the sum of its proper divisors (24193935).

30380145 is a wasteful number, since it uses less digits than its factorization.

30380145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 30380145 is about 5511.8186653772. The cubic root of 30380145 is about 312.0301889756.

Adding to 30380145 its reverse (54108303), we get a palindrome (84488448).

The spelling of 30380145 in words is "thirty million, three hundred eighty thousand, one hundred forty-five".