2145107441 has 2 divisors, whose sum is σ = 2145107442. Its totient is φ = 2145107440.

The previous prime is 2145107423. The next prime is 2145107473. The reversal of 2145107441 is 1447015412.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1345349041 + 799758400 = 36679^2 + 28280^2 .

It is a cyclic number.

It is not a de Polignac number, because 2145107441 - 2¹⁰ = 2145106417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2145107411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072553720 + 1072553721.

It is an arithmetic number, because the mean of its divisors is an integer number (1072553721).

Almost surely, 2^2145107441 is an apocalyptic number.

It is an amenable number.

2145107441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145107441 is an equidigital number, since it uses as much as digits as its factorization.

2145107441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 2145107441 is about 46315.3046087360. The cubic root of 2145107441 is about 1289.6831224966.

The spelling of 2145107441 in words is "two billion, one hundred forty-five million, one hundred seven thousand, four hundred forty-one".