2145465230665 has 16 divisors (see below), whose sum is σ = 2579658831360. Its totient is φ = 1712973703680.

The previous prime is 2145465230639. The next prime is 2145465230719. The reversal of 2145465230665 is 5660325645412.

It is not a de Polignac number, because 2145465230665 - 2¹³ = 2145465222473 is a prime.

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, 9113206 + ... + 9345664.

It is an arithmetic number, because the mean of its divisors is an integer number (161228676960).

Almost surely, 2^{2145465230665} is an apocalyptic number.

It is an amenable number.

2145465230665 is a deficient number, since it is larger than the sum of its proper divisors (434193600695).

2145465230665 is a wasteful number, since it uses less digits than its factorization.

2145465230665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236112.

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 2145465230665 in words is "two trillion, one hundred forty-five billion, four hundred sixty-five million, two hundred thirty thousand, six hundred sixty-five".