2145326063445 has 24 divisors (see below), whose sum is σ = 3721419127296. Its totient is φ = 1143295761888.

The previous prime is 2145326063431. The next prime is 2145326063459. The reversal of 2145326063445 is 5443606235412.

2145326063445 is a `hidden beast` number, since 2 + 1 + 4 + 5 + 3 + 2 + 6 + 0 + 634 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (2145326063431) and next prime (2145326063459).

It is not a de Polignac number, because 2145326063445 - 2¹⁰ = 2145326062421 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2145326063445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18235269 + ... + 18352538.

It is an arithmetic number, because the mean of its divisors is an integer number (155059130304).

Almost surely, 2^{2145326063445} is an apocalyptic number.

It is an amenable number.

2145326063445 is a deficient number, since it is larger than the sum of its proper divisors (1576093063851).

2145326063445 is a wasteful number, since it uses less digits than its factorization.

2145326063445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36589121 (or 36589118 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

The spelling of 2145326063445 in words is "two trillion, one hundred forty-five billion, three hundred twenty-six million, sixty-three thousand, four hundred forty-five".