1214143443 has 12 divisors (see below), whose sum is σ = 1754605320. Its totient is φ = 809040096.

The previous prime is 1214143421. The next prime is 1214143487. The reversal of 1214143443 is 3443414121.

1214143443 is a `hidden beast` number, since 1 + 214 + 1 + 4 + 3 + 443 = 666.

It is not a de Polignac number, because 1214143443 - 2⁶ = 1214143379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1214143943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11953 + ... + 50706.

It is an arithmetic number, because the mean of its divisors is an integer number (146217110).

Almost surely, 2^1214143443 is an apocalyptic number.

1214143443 is a deficient number, since it is larger than the sum of its proper divisors (540461877).

1214143443 is a wasteful number, since it uses less digits than its factorization.

1214143443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64818 (or 64815 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 1214143443 is about 34844.5611681364. The cubic root of 1214143443 is about 1066.8171766891.

Adding to 1214143443 its reverse (3443414121), we get a palindrome (4657557564).

The spelling of 1214143443 in words is "one billion, two hundred fourteen million, one hundred forty-three thousand, four hundred forty-three".