30454945 has 8 divisors (see below), whose sum is σ = 36602280. Its totient is φ = 24326400.

The previous prime is 30454909. The next prime is 30454951. The reversal of 30454945 is 54945403.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14318656 + 16136289 = 3784^2 + 4017^2 .

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

It is not a de Polignac number, because 30454945 - 2¹⁷ = 30323873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30454945.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840 + ... + 7849.

It is an arithmetic number, because the mean of its divisors is an integer number (4575285).

Almost surely, 2^30454945 is an apocalyptic number.

It is an amenable number.

30454945 is a deficient number, since it is larger than the sum of its proper divisors (6147335).

30454945 is an equidigital number, since it uses as much as digits as its factorization.

30454945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9395.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 30454945 is about 5518.5999130214. The cubic root of 30454945 is about 312.2860658431.

The spelling of 30454945 in words is "thirty million, four hundred fifty-four thousand, nine hundred forty-five".