2145454334 has 8 divisors (see below), whose sum is σ = 3242748168. Its totient is φ = 1064538280.

The previous prime is 2145454327. The next prime is 2145454351. The reversal of 2145454334 is 4334545412.

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

It is a junction number, because it is equal to n+sod(n) for n = 2145454294 and 2145454303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4094117 + ... + 4094640.

It is an arithmetic number, because the mean of its divisors is an integer number (405343521).

Almost surely, 2^2145454334 is an apocalyptic number.

2145454334 is a deficient number, since it is larger than the sum of its proper divisors (1097293834).

2145454334 is a wasteful number, since it uses less digits than its factorization.

2145454334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8188890.

The product of its digits is 115200, while the sum is 35.

The square root of 2145454334 is about 46319.0493641655. The cubic root of 2145454334 is about 1289.7526385070.

Adding to 2145454334 its reverse (4334545412), we get a palindrome (6479999746).

The spelling of 2145454334 in words is "two billion, one hundred forty-five million, four hundred fifty-four thousand, three hundred thirty-four".