1443240041 has 8 divisors (see below), whose sum is σ = 1594577664. Its totient is φ = 1299284800.

The previous prime is 1443240037. The next prime is 1443240047. The reversal of 1443240041 is 1400423441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1443240041 - 2² = 1443240037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1443239989 and 1443240016.

It is not an unprimeable number, because it can be changed into a prime (1443240047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1845185 + ... + 1845966.

It is an arithmetic number, because the mean of its divisors is an integer number (199322208).

Almost surely, 2^1443240041 is an apocalyptic number.

It is an amenable number.

1443240041 is a deficient number, since it is larger than the sum of its proper divisors (151337623).

1443240041 is a wasteful number, since it uses less digits than its factorization.

1443240041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3691191.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1443240041 is about 37989.9992234799. Note that the first 3 decimals coincide. The cubic root of 1443240041 is about 1130.0895433780.

Adding to 1443240041 its reverse (1400423441), we get a palindrome (2843663482).

The spelling of 1443240041 in words is "one billion, four hundred forty-three million, two hundred forty thousand, forty-one".