2305742345 has 16 divisors (see below), whose sum is σ = 2838730752. Its totient is φ = 1796928000.

The previous prime is 2305742339. The next prime is 2305742371. The reversal of 2305742345 is 5432475032.

It is not a de Polignac number, because 2305742345 - 2⁶ = 2305742281 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, 68345 + ... + 96345.

It is an arithmetic number, because the mean of its divisors is an integer number (177420672).

Almost surely, 2^2305742345 is an apocalyptic number.

It is an amenable number.

2305742345 is a deficient number, since it is larger than the sum of its proper divisors (532988407).

2305742345 is a wasteful number, since it uses less digits than its factorization.

2305742345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28432.

The product of its (nonzero) digits is 100800, while the sum is 35.

The square root of 2305742345 is about 48018.1459971124. The cubic root of 2305742345 is about 1321.1037494900.

The spelling of 2305742345 in words is "two billion, three hundred five million, seven hundred forty-two thousand, three hundred forty-five".