1443242741 has 2 divisors, whose sum is σ = 1443242742. Its totient is φ = 1443242740.

The previous prime is 1443242729. The next prime is 1443242767. The reversal of 1443242741 is 1472423441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1432319716 + 10923025 = 37846^2 + 3305^2 .

It is a cyclic number.

It is not a de Polignac number, because 1443242741 - 2¹⁴ = 1443226357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1443242698 and 1443242707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1443242711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721621370 + 721621371.

It is an arithmetic number, because the mean of its divisors is an integer number (721621371).

Almost surely, 2^1443242741 is an apocalyptic number.

It is an amenable number.

1443242741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443242741 is an equidigital number, since it uses as much as digits as its factorization.

1443242741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 32.

The square root of 1443242741 is about 37990.0347591312. The cubic root of 1443242741 is about 1130.0902480979.

The spelling of 1443242741 in words is "one billion, four hundred forty-three million, two hundred forty-two thousand, seven hundred forty-one".