30504545 has 8 divisors (see below), whose sum is σ = 38758824. Its totient is φ = 22968064.

The previous prime is 30504503. The next prime is 30504569. The reversal of 30504545 is 54540503.

It can be written as a sum of positive squares in 4 ways, for example, as 10182481 + 20322064 = 3191^2 + 4508^2 .

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 30504545 - 2²² = 26310241 is a prime.

It is a Duffinian number.

30504545 is a modest number, since divided by 4545 gives 3050 as remainder.

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 7 ways as a sum of consecutive naturals, for example, 179354 + ... + 179523.

It is an arithmetic number, because the mean of its divisors is an integer number (4844853).

Almost surely, 2^30504545 is an apocalyptic number.

It is an amenable number.

30504545 is a deficient number, since it is larger than the sum of its proper divisors (8254279).

30504545 is a wasteful number, since it uses less digits than its factorization.

30504545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358899.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 30504545 is about 5523.0919782310. The cubic root of 30504545 is about 312.4555072656.

It can be divided in two parts, 305045 and 45, that multiplied together give a square (13727025 = 3705²).

The spelling of 30504545 in words is "thirty million, five hundred four thousand, five hundred forty-five".