1443442001 has 12 divisors (see below), whose sum is σ = 1544579628. Its totient is φ = 1348580352.

The previous prime is 1443441997. The next prime is 1443442009. The reversal of 1443442001 is 1002443441.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 286421776 + 1157020225 = 16924^2 + 34015^2 .

It is not a de Polignac number, because 1443442001 - 2² = 1443441997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1443442009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21365 + ... + 57821.

It is an arithmetic number, because the mean of its divisors is an integer number (128714969).

Almost surely, 2^1443442001 is an apocalyptic number.

It is an amenable number.

1443442001 is a deficient number, since it is larger than the sum of its proper divisors (101137627).

1443442001 is a wasteful number, since it uses less digits than its factorization.

1443442001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36628 (or 36611 counting only the distinct ones).

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

The square root of 1443442001 is about 37992.6571984640. The cubic root of 1443442001 is about 1130.1422539996.

Adding to 1443442001 its reverse (1002443441), we get a palindrome (2445885442).

The spelling of 1443442001 in words is "one billion, four hundred forty-three million, four hundred forty-two thousand, one".