1402443143 has 8 divisors (see below), whose sum is σ = 1476731520. Its totient is φ = 1328202360.

The previous prime is 1402443139. The next prime is 1402443167. The reversal of 1402443143 is 3413442041.

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 1402443143 - 2² = 1402443139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402442143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59696 + ... + 79802.

It is an arithmetic number, because the mean of its divisors is an integer number (184591440).

Almost surely, 2^1402443143 is an apocalyptic number.

1402443143 is a deficient number, since it is larger than the sum of its proper divisors (74288377).

1402443143 is a wasteful number, since it uses less digits than its factorization.

1402443143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23797.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1402443143 is about 37449.2075083038. The cubic root of 1402443143 is about 1119.3393060675.

Adding to 1402443143 its reverse (3413442041), we get a palindrome (4815885184).

The spelling of 1402443143 in words is "one billion, four hundred two million, four hundred forty-three thousand, one hundred forty-three".