30161485 has 12 divisors (see below), whose sum is σ = 38449908. Its totient is φ = 22708736.

The previous prime is 30161437. The next prime is 30161501. The reversal of 30161485 is 58416103.

It can be written as a sum of positive squares in 6 ways, for example, as 546121 + 29615364 = 739^2 + 5442^2 .

It is not a de Polignac number, because 30161485 - 2¹³ = 30153293 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 8992 + ... + 11881.

It is an arithmetic number, because the mean of its divisors is an integer number (3204159).

Almost surely, 2^30161485 is an apocalyptic number.

It is an amenable number.

30161485 is a deficient number, since it is larger than the sum of its proper divisors (8288423).

30161485 is a wasteful number, since it uses less digits than its factorization.

30161485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20912 (or 20895 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 30161485 is about 5491.9472867099. The cubic root of 30161485 is about 311.2797770472.

Adding to 30161485 its reverse (58416103), we get a palindrome (88577588).

The spelling of 30161485 in words is "thirty million, one hundred sixty-one thousand, four hundred eighty-five".