1443213442 has 16 divisors (see below), whose sum is σ = 2385008064. Its totient is φ = 649510000.

The previous prime is 1443213437. The next prime is 1443213451. The reversal of 1443213442 is 2443123441.

It is a self number, because there is not a number n which added to its sum of digits gives 1443213442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322534 + ... + 326977.

It is an arithmetic number, because the mean of its divisors is an integer number (149063004).

Almost surely, 2^1443213442 is an apocalyptic number.

1443213442 is a deficient number, since it is larger than the sum of its proper divisors (941794622).

1443213442 is a wasteful number, since it uses less digits than its factorization.

1443213442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649625.

The product of its digits is 9216, while the sum is 28.

The square root of 1443213442 is about 37989.6491428915. The cubic root of 1443213442 is about 1130.0826007962.

Adding to 1443213442 its reverse (2443123441), we get a palindrome (3886336883).

Subtracting 1443213442 from its reverse (2443123441), we obtain a palindrome (999909999).

The spelling of 1443213442 in words is "one billion, four hundred forty-three million, two hundred thirteen thousand, four hundred forty-two".