30152165 has 4 divisors (see below), whose sum is σ = 36182604. Its totient is φ = 24121728.

The previous prime is 30152147. The next prime is 30152189. The reversal of 30152165 is 56125103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56125103 = 197 ⋅284899.

It can be written as a sum of positive squares in 2 ways, for example, as 8631844 + 21520321 = 2938^2 + 4639^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30152165 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 30152165.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3015212 + ... + 3015221.

It is an arithmetic number, because the mean of its divisors is an integer number (9045651).

Almost surely, 2^30152165 is an apocalyptic number.

It is an amenable number.

30152165 is a deficient number, since it is larger than the sum of its proper divisors (6030439).

30152165 is an equidigital number, since it uses as much as digits as its factorization.

30152165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6030438.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 30152165 is about 5491.0987060879. The cubic root of 30152165 is about 311.2477115792.

Adding to 30152165 its reverse (56125103), we get a palindrome (86277268).

The spelling of 30152165 in words is "thirty million, one hundred fifty-two thousand, one hundred sixty-five".