30453161 has 8 divisors (see below), whose sum is σ = 31785480. Its totient is φ = 29139712.

The previous prime is 30453151. The next prime is 30453179. The reversal of 30453161 is 16135403.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 913936 + 29539225 = 956^2 + 5435^2 .

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 30453161 - 2⁶ = 30453097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30453151) 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 7 ways as a sum of consecutive naturals, for example, 1370 + ... + 7923.

It is an arithmetic number, because the mean of its divisors is an integer number (3973185).

Almost surely, 2^30453161 is an apocalyptic number.

It is an amenable number.

30453161 is a deficient number, since it is larger than the sum of its proper divisors (1332319).

30453161 is a wasteful number, since it uses less digits than its factorization.

30453161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9435.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 30453161 is about 5518.4382754544. The cubic root of 30453161 is about 312.2799679913.

Adding to 30453161 its reverse (16135403), we get a palindrome (46588564).

The spelling of 30453161 in words is "thirty million, four hundred fifty-three thousand, one hundred sixty-one".