1443214252 has 12 divisors (see below), whose sum is σ = 2674191240. Its totient is φ = 679159616.

The previous prime is 1443214249. The next prime is 1443214259. The reversal of 1443214252 is 2524123441.

It is a self number, because there is not a number n which added to its sum of digits gives 1443214252.

It is not an unprimeable number, because it can be changed into a prime (1443214259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10611802 + ... + 10611937.

It is an arithmetic number, because the mean of its divisors is an integer number (222849270).

Almost surely, 2^1443214252 is an apocalyptic number.

It is an amenable number.

1443214252 is a deficient number, since it is larger than the sum of its proper divisors (1230976988).

1443214252 is a wasteful number, since it uses less digits than its factorization.

1443214252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21223760 (or 21223758 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 1443214252 is about 37989.6598036887. The cubic root of 1443214252 is about 1130.0828122148.

Adding to 1443214252 its reverse (2524123441), we get a palindrome (3967337693).

The spelling of 1443214252 in words is "one billion, four hundred forty-three million, two hundred fourteen thousand, two hundred fifty-two".