1142443003 has 8 divisors (see below), whose sum is σ = 1231428800. Its totient is φ = 1053615168.

The previous prime is 1142442989. The next prime is 1142443087. The reversal of 1142443003 is 3003442411.

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

It is a cyclic number.

It is not a de Polignac number, because 1142443003 - 2⁵ = 1142442971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142443303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24243 + ... + 53596.

It is an arithmetic number, because the mean of its divisors is an integer number (153928600).

Almost surely, 2^1142443003 is an apocalyptic number.

1142443003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1142443003 is a deficient number, since it is larger than the sum of its proper divisors (88985797).

1142443003 is a wasteful number, since it uses less digits than its factorization.

1142443003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78981.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1142443003 is about 33800.0444230477. The cubic root of 1142443003 is about 1045.3896131965.

Adding to 1142443003 its reverse (3003442411), we get a palindrome (4145885414).

The spelling of 1142443003 in words is "one billion, one hundred forty-two million, four hundred forty-three thousand, three".