2145326614065 has 48 divisors (see below), whose sum is σ = 3819034664640. Its totient is φ = 1113644822400.

The previous prime is 2145326614037. The next prime is 2145326614099. The reversal of 2145326614065 is 5604166235412.

2145326614065 is a `hidden beast` number, since 2 + 1 + 4 + 5 + 3 + 26 + 614 + 0 + 6 + 5 = 666.

It is not a de Polignac number, because 2145326614065 - 2⁵ = 2145326614033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2145326614065.

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, 3732007 + ... + 4268316.

It is an arithmetic number, because the mean of its divisors is an integer number (79563222180).

Almost surely, 2^{2145326614065} is an apocalyptic number.

It is an amenable number.

2145326614065 is a deficient number, since it is larger than the sum of its proper divisors (1673708050575).

2145326614065 is a wasteful number, since it uses less digits than its factorization.

2145326614065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8000494 (or 8000491 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 2145326614065 in words is "two trillion, one hundred forty-five billion, three hundred twenty-six million, six hundred fourteen thousand, sixty-five".