1443312434 has 4 divisors (see below), whose sum is σ = 2164968654. Its totient is φ = 721656216.

The previous prime is 1443312401. The next prime is 1443312469. The reversal of 1443312434 is 4342133441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1239251209 + 204061225 = 35203^2 + 14285^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1443312397 and 1443312406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360828107 + ... + 360828110.

Almost surely, 2^1443312434 is an apocalyptic number.

1443312434 is a deficient number, since it is larger than the sum of its proper divisors (721656220).

1443312434 is an equidigital number, since it uses as much as digits as its factorization.

1443312434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721656219.

The product of its digits is 13824, while the sum is 29.

The square root of 1443312434 is about 37990.9520017596. The cubic root of 1443312434 is about 1130.1084381800.

Adding to 1443312434 its reverse (4342133441), we get a palindrome (5785445875).

The spelling of 1443312434 in words is "one billion, four hundred forty-three million, three hundred twelve thousand, four hundred thirty-four".