30054845 has 8 divisors (see below), whose sum is σ = 36945720. Its totient is φ = 23457280.

The previous prime is 30054821. The next prime is 30054847. The reversal of 30054845 is 54845003.

It can be written as a sum of positive squares in 4 ways, for example, as 2785561 + 27269284 = 1669^2 + 5222^2 .

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

It is not a de Polignac number, because 30054845 - 2⁶ = 30054781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30054847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73100 + ... + 73509.

It is an arithmetic number, because the mean of its divisors is an integer number (4618215).

Almost surely, 2^30054845 is an apocalyptic number.

It is an amenable number.

30054845 is a deficient number, since it is larger than the sum of its proper divisors (6890875).

30054845 is a wasteful number, since it uses less digits than its factorization.

30054845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146655.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 30054845 is about 5482.2299295086. The cubic root of 30054845 is about 310.9124866203.

Adding to 30054845 its reverse (54845003), we get a palindrome (84899848).

The spelling of 30054845 in words is "thirty million, fifty-four thousand, eight hundred forty-five".