1002354143 has 6 divisors (see below), whose sum is σ = 1166003856. Its totient is φ = 859160652.

The previous prime is 1002354107. The next prime is 1002354151. The reversal of 1002354143 is 3414532001.

It is not a de Polignac number, because 1002354143 - 2²⁴ = 985576927 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 (1002354163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10228055 + ... + 10228152.

It is an arithmetic number, because the mean of its divisors is an integer number (194333976).

Almost surely, 2^1002354143 is an apocalyptic number.

1002354143 is a deficient number, since it is larger than the sum of its proper divisors (163649713).

1002354143 is an equidigital number, since it uses as much as digits as its factorization.

1002354143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20456221 (or 20456214 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1002354143 is about 31659.9769898842. The cubic root of 1002354143 is about 1000.7840993608.

Adding to 1002354143 its reverse (3414532001), we get a palindrome (4416886144).

The spelling of 1002354143 in words is "one billion, two million, three hundred fifty-four thousand, one hundred forty-three".