1144799801 has 2 divisors, whose sum is σ = 1144799802. Its totient is φ = 1144799800.

The previous prime is 1144799779. The next prime is 1144799809. The reversal of 1144799801 is 1089974411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1120642576 + 24157225 = 33476^2 + 4915^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144799801 - 2¹⁸ = 1144537657 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144799809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572399900 + 572399901.

It is an arithmetic number, because the mean of its divisors is an integer number (572399901).

Almost surely, 2^1144799801 is an apocalyptic number.

It is an amenable number.

1144799801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144799801 is an equidigital number, since it uses as much as digits as its factorization.

1144799801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 1144799801 is about 33834.8902909408. The cubic root of 1144799801 is about 1046.1079801443.

The spelling of 1144799801 in words is "one billion, one hundred forty-four million, seven hundred ninety-nine thousand, eight hundred one".