305053345 has 16 divisors (see below), whose sum is σ = 381584448. Its totient is φ = 233893440.

The previous prime is 305053337. The next prime is 305053387. The reversal of 305053345 is 543350503.

It is not a de Polignac number, because 305053345 - 2³ = 305053337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90 + ... + 24700.

It is an arithmetic number, because the mean of its divisors is an integer number (23849028).

Almost surely, 2^305053345 is an apocalyptic number.

It is an amenable number.

305053345 is a deficient number, since it is larger than the sum of its proper divisors (76531103).

305053345 is a wasteful number, since it uses less digits than its factorization.

305053345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24720.

The product of its (nonzero) digits is 13500, while the sum is 28.

The square root of 305053345 is about 17465.7763927058. The cubic root of 305053345 is about 673.1707913760.

The spelling of 305053345 in words is "three hundred five million, fifty-three thousand, three hundred forty-five".