1443992642 has 8 divisors (see below), whose sum is σ = 2178090000. Its totient is φ = 717962644.

The previous prime is 1443992629. The next prime is 1443992687. The reversal of 1443992642 is 2462993441.

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

It is a super-2 number, since 2×1443992642² = 4170229500300280328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1443992593 and 1443992602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2016392 + ... + 2017107.

It is an arithmetic number, because the mean of its divisors is an integer number (272261250).

Almost surely, 2^1443992642 is an apocalyptic number.

1443992642 is a deficient number, since it is larger than the sum of its proper divisors (734097358).

1443992642 is a wasteful number, since it uses less digits than its factorization.

1443992642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033680.

The product of its digits is 373248, while the sum is 44.

The square root of 1443992642 is about 37999.9031840872. The cubic root of 1443992642 is about 1130.2859437693.

The spelling of 1443992642 in words is "one billion, four hundred forty-three million, nine hundred ninety-two thousand, six hundred forty-two".