2345240645 has 16 divisors (see below), whose sum is σ = 3090476160. Its totient is φ = 1694328000.

The previous prime is 2345240641. The next prime is 2345240647. The reversal of 2345240645 is 5460425432.

It is not a de Polignac number, because 2345240645 - 2² = 2345240641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345240641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132890 + ... + 149499.

It is an arithmetic number, because the mean of its divisors is an integer number (193154760).

Almost surely, 2^2345240645 is an apocalyptic number.

It is an amenable number.

2345240645 is a deficient number, since it is larger than the sum of its proper divisors (745235515).

2345240645 is a wasteful number, since it uses less digits than its factorization.

2345240645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282556.

The product of its (nonzero) digits is 115200, while the sum is 35.

The square root of 2345240645 is about 48427.6846958431. The cubic root of 2345240645 is about 1328.6047600968.

The spelling of 2345240645 in words is "two billion, three hundred forty-five million, two hundred forty thousand, six hundred forty-five".