2146445453 has 8 divisors (see below), whose sum is σ = 2156579040. Its totient is φ = 2136332880.

The previous prime is 2146445393. The next prime is 2146445467. The reversal of 2146445453 is 3545446412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2146445453 - 2²⁸ = 1878009997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146445953) 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 7 ways as a sum of consecutive naturals, for example, 222143 + ... + 231603.

It is an arithmetic number, because the mean of its divisors is an integer number (269572380).

Almost surely, 2^2146445453 is an apocalyptic number.

It is an amenable number.

2146445453 is a deficient number, since it is larger than the sum of its proper divisors (10133587).

2146445453 is an equidigital number, since it uses as much as digits as its factorization.

2146445453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10507.

The product of its digits is 230400, while the sum is 38.

The square root of 2146445453 is about 46329.7469559245. The cubic root of 2146445453 is about 1289.9512136268.

The spelling of 2146445453 in words is "two billion, one hundred forty-six million, four hundred forty-five thousand, four hundred fifty-three".