1443140434 has 8 divisors (see below), whose sum is σ = 2164958460. Its totient is φ = 721487616.

The previous prime is 1443140407. The next prime is 1443140437. The reversal of 1443140434 is 4340413441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1398984409 + 44156025 = 37403^2 + 6645^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1443140437) 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, 16479 + ... + 56194.

Almost surely, 2^1443140434 is an apocalyptic number.

1443140434 is a deficient number, since it is larger than the sum of its proper divisors (721818026).

1443140434 is an equidigital number, since it uses as much as digits as its factorization.

1443140434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82604.

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

The square root of 1443140434 is about 37988.6882374214. The cubic root of 1443140434 is about 1130.0635446031.

Adding to 1443140434 its reverse (4340413441), we get a palindrome (5783553875).

The spelling of 1443140434 in words is "one billion, four hundred forty-three million, one hundred forty thousand, four hundred thirty-four".