1443230452 has 6 divisors (see below), whose sum is σ = 2525653298. Its totient is φ = 721615224.

The previous prime is 1443230449. The next prime is 1443230483. The reversal of 1443230452 is 2540323441.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1143386596 + 299843856 = 33814^2 + 17316^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1443230452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180403803 + ... + 180403810.

Almost surely, 2^1443230452 is an apocalyptic number.

It is an amenable number.

1443230452 is a deficient number, since it is larger than the sum of its proper divisors (1082422846).

1443230452 is a wasteful number, since it uses less digits than its factorization.

1443230452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360807617 (or 360807615 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 1443230452 is about 37989.8730190034. The cubic root of 1443230452 is about 1130.0870405713.

Adding to 1443230452 its reverse (2540323441), we get a palindrome (3983553893).

The spelling of 1443230452 in words is "one billion, four hundred forty-three million, two hundred thirty thousand, four hundred fifty-two".