2145144383 has 2 divisors, whose sum is σ = 2145144384. Its totient is φ = 2145144382.

The previous prime is 2145144359. The next prime is 2145144461. The reversal of 2145144383 is 3834415412.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2145144383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145144583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072572191 + 1072572192.

It is an arithmetic number, because the mean of its divisors is an integer number (1072572192).

Almost surely, 2^2145144383 is an apocalyptic number.

2145144383 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145144383 is an equidigital number, since it uses as much as digits as its factorization.

2145144383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 35.

The square root of 2145144383 is about 46315.7034168758. The cubic root of 2145144383 is about 1289.6905258865.

Adding to 2145144383 its reverse (3834415412), we get a palindrome (5979559795).

The spelling of 2145144383 in words is "two billion, one hundred forty-five million, one hundred forty-four thousand, three hundred eighty-three".