2320145345 has 48 divisors (see below), whose sum is σ = 3305328768. Its totient is φ = 1558529280.

The previous prime is 2320145339. The next prime is 2320145353. The reversal of 2320145345 is 5435410232.

It is a happy number.

It is not a de Polignac number, because 2320145345 - 2¹⁶ = 2320079809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4612364 + ... + 4612866.

It is an arithmetic number, because the mean of its divisors is an integer number (68861016).

Almost surely, 2^2320145345 is an apocalyptic number.

It is an amenable number.

2320145345 is a deficient number, since it is larger than the sum of its proper divisors (985183423).

2320145345 is a wasteful number, since it uses less digits than its factorization.

2320145345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2320145345 is about 48167.8870721978. The cubic root of 2320145345 is about 1323.8488342565.

Adding to 2320145345 its reverse (5435410232), we get a palindrome (7755555577).

The spelling of 2320145345 in words is "two billion, three hundred twenty million, one hundred forty-five thousand, three hundred forty-five".