1428802143 has 16 divisors (see below), whose sum is σ = 1961045856. Its totient is φ = 924917760.

The previous prime is 1428802129. The next prime is 1428802163. The reversal of 1428802143 is 3412088241.

It is not a de Polignac number, because 1428802143 - 2⁴ = 1428802127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428802103) 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 15 ways as a sum of consecutive naturals, for example, 30898 + ... + 61743.

It is an arithmetic number, because the mean of its divisors is an integer number (122565366).

Almost surely, 2^1428802143 is an apocalyptic number.

1428802143 is a deficient number, since it is larger than the sum of its proper divisors (532243713).

1428802143 is an equidigital number, since it uses as much as digits as its factorization.

1428802143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92794.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 1428802143 is about 37799.4992427148. The cubic root of 1428802143 is about 1126.3085068951.

The spelling of 1428802143 in words is "one billion, four hundred twenty-eight million, eight hundred two thousand, one hundred forty-three".