30057345 has 16 divisors (see below), whose sum is σ = 53435520. Its totient is φ = 16030512.

The previous prime is 30057341. The next prime is 30057359. The reversal of 30057345 is 54375003.

It is a happy number.

It is not a de Polignac number, because 30057345 - 2² = 30057341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30057341) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 111189 + ... + 111458.

It is an arithmetic number, because the mean of its divisors is an integer number (3339720).

Almost surely, 2^30057345 is an apocalyptic number.

It is an amenable number.

30057345 is a deficient number, since it is larger than the sum of its proper divisors (23378175).

30057345 is a wasteful number, since it uses less digits than its factorization.

30057345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222661 (or 222655 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 30057345 is about 5482.4579341751. The cubic root of 30057345 is about 310.9211070792.

The spelling of 30057345 in words is "thirty million, fifty-seven thousand, three hundred forty-five".