1443145422 has 8 divisors (see below), whose sum is σ = 2886290856. Its totient is φ = 481048472.

The previous prime is 1443145421. The next prime is 1443145433. The reversal of 1443145422 is 2245413441.

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

1443145422 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1443145422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443145421) 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, 120262113 + ... + 120262124.

It is an arithmetic number, because the mean of its divisors is an integer number (360786357).

Almost surely, 2^1443145422 is an apocalyptic number.

1443145422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1443145422 is a wasteful number, since it uses less digits than its factorization.

1443145422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240524242.

The product of its digits is 15360, while the sum is 30.

The square root of 1443145422 is about 37988.7538884865. The cubic root of 1443145422 is about 1130.0648465671.

Adding to 1443145422 its reverse (2245413441), we get a palindrome (3688558863).

The spelling of 1443145422 in words is "one billion, four hundred forty-three million, one hundred forty-five thousand, four hundred twenty-two".