30453345 has 24 divisors (see below), whose sum is σ = 56847336. Its totient is φ = 14992128.

The previous prime is 30453343. The next prime is 30453349. The reversal of 30453345 is 54335403.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1648656 + 28804689 = 1284^2 + 5367^2 .

It is not a de Polignac number, because 30453345 - 2¹ = 30453343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30453343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25444 + ... + 26613.

It is an arithmetic number, because the mean of its divisors is an integer number (2368639).

Almost surely, 2^30453345 is an apocalyptic number.

It is an amenable number.

30453345 is a deficient number, since it is larger than the sum of its proper divisors (26393991).

30453345 is a wasteful number, since it uses less digits than its factorization.

30453345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52081 (or 52078 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 30453345 is about 5518.4549468126. The cubic root of 30453345 is about 312.2805969287.

Adding to 30453345 its reverse (54335403), we get a palindrome (84788748).

The spelling of 30453345 in words is "thirty million, four hundred fifty-three thousand, three hundred forty-five".