1830303345 has 64 divisors (see below), whose sum is σ = 3400992000. Its totient is φ = 832757760.

The previous prime is 1830303259. The next prime is 1830303359. The reversal of 1830303345 is 5433030381.

It is not a de Polignac number, because 1830303345 - 2⁷ = 1830303217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 145881 + ... + 157929.

It is an arithmetic number, because the mean of its divisors is an integer number (53140500).

Almost surely, 2^1830303345 is an apocalyptic number.

1830303345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1830303345 is a deficient number, since it is larger than the sum of its proper divisors (1570688655).

1830303345 is a wasteful number, since it uses less digits than its factorization.

1830303345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12130.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1830303345 is about 42782.0446566080. The cubic root of 1830303345 is about 1223.2287816284.

The spelling of 1830303345 in words is "one billion, eight hundred thirty million, three hundred three thousand, three hundred forty-five".