1443532642 has 8 divisors (see below), whose sum is σ = 2174284332. Its totient is φ = 718771200.

The previous prime is 1443532637. The next prime is 1443532721. The reversal of 1443532642 is 2462353441.

It can be written as a sum of positive squares in 2 ways, for example, as 1209717961 + 233814681 = 34781^2 + 15291^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1443532598 and 1443532607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1496959 + ... + 1497922.

Almost surely, 2^1443532642 is an apocalyptic number.

1443532642 is a deficient number, since it is larger than the sum of its proper divisors (730751690).

1443532642 is a wasteful number, since it uses less digits than its factorization.

1443532642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995124.

The product of its digits is 69120, while the sum is 34.

The square root of 1443532642 is about 37993.8500549760. The cubic root of 1443532642 is about 1130.1659092810.

The spelling of 1443532642 in words is "one billion, four hundred forty-three million, five hundred thirty-two thousand, six hundred forty-two".