2145464343 has 12 divisors (see below), whose sum is σ = 3380731848. Its totient is φ = 1300281360.

The previous prime is 2145464267. The next prime is 2145464369. The reversal of 2145464343 is 3434645412.

2145464343 is a `hidden beast` number, since 2 + 1 + 4 + 5 + 4 + 643 + 4 + 3 = 666.

It is not a de Polignac number, because 2145464343 - 2¹⁰ = 2145463319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2145464298 and 2145464307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145464393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10835580 + ... + 10835777.

It is an arithmetic number, because the mean of its divisors is an integer number (281727654).

Almost surely, 2^2145464343 is an apocalyptic number.

2145464343 is a deficient number, since it is larger than the sum of its proper divisors (1235267505).

2145464343 is a wasteful number, since it uses less digits than its factorization.

2145464343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21671374 (or 21671371 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 2145464343 is about 46319.1574081395. The cubic root of 2145464343 is about 1289.7546441606.

The spelling of 2145464343 in words is "two billion, one hundred forty-five million, four hundred sixty-four thousand, three hundred forty-three".