1443226541 has 2 divisors, whose sum is σ = 1443226542. Its totient is φ = 1443226540.

The previous prime is 1443226523. The next prime is 1443226579. The reversal of 1443226541 is 1456223441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1172788516 + 270438025 = 34246^2 + 16445^2 .

It is a cyclic number.

It is not a de Polignac number, because 1443226541 - 2¹⁰ = 1443225517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1443226498 and 1443226507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1443256541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721613270 + 721613271.

It is an arithmetic number, because the mean of its divisors is an integer number (721613271).

Almost surely, 2^1443226541 is an apocalyptic number.

It is an amenable number.

1443226541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443226541 is an equidigital number, since it uses as much as digits as its factorization.

1443226541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 32.

The square root of 1443226541 is about 37989.8215447243. The cubic root of 1443226541 is about 1130.0860197654.

Adding to 1443226541 its reverse (1456223441), we get a palindrome (2899449982).

The spelling of 1443226541 in words is "one billion, four hundred forty-three million, two hundred twenty-six thousand, five hundred forty-one".