2145443089 has 2 divisors, whose sum is σ = 2145443090. Its totient is φ = 2145443088.

The previous prime is 2145443077. The next prime is 2145443101. The reversal of 2145443089 is 9803445412.

It is a balanced prime because it is at equal distance from previous prime (2145443077) and next prime (2145443101).

It can be written as a sum of positive squares in only one way, i.e., 1688552464 + 456890625 = 41092^2 + 21375^2 .

It is a cyclic number.

It is not a de Polignac number, because 2145443089 - 2²³ = 2137054481 is a prime.

It is not a weakly prime, because it can be changed into another prime (2145443029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072721544 + 1072721545.

It is an arithmetic number, because the mean of its divisors is an integer number (1072721545).

Almost surely, 2^2145443089 is an apocalyptic number.

It is an amenable number.

2145443089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145443089 is an equidigital number, since it uses as much as digits as its factorization.

2145443089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 2145443089 is about 46318.9279776637. The cubic root of 2145443089 is about 1289.7503851702.

The spelling of 2145443089 in words is "two billion, one hundred forty-five million, four hundred forty-three thousand, eighty-nine".