30405345 has 8 divisors (see below), whose sum is σ = 48648576. Its totient is φ = 16216176.

The previous prime is 30405317. The next prime is 30405371. The reversal of 30405345 is 54350403.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30405345 - 2⁶ = 30405281 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013497 + ... + 1013526.

It is an arithmetic number, because the mean of its divisors is an integer number (6081072).

Almost surely, 2^30405345 is an apocalyptic number.

It is an amenable number.

30405345 is a deficient number, since it is larger than the sum of its proper divisors (18243231).

30405345 is a wasteful number, since it uses less digits than its factorization.

30405345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027031.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 30405345 is about 5514.1041883519. The cubic root of 30405345 is about 312.1164403483.

Adding to 30405345 its reverse (54350403), we get a palindrome (84755748).

It can be divided in two parts, 3040 and 5345, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 30405345 in words is "thirty million, four hundred five thousand, three hundred forty-five".