1342542843 has 20 divisors (see below), whose sum is σ = 2006858568. Its totient is φ = 894434400.

The previous prime is 1342542779. The next prime is 1342542847. The reversal of 1342542843 is 3482452431.

1342542843 is a `hidden beast` number, since 1 + 34 + 2 + 542 + 84 + 3 = 666.

It is not a de Polignac number, because 1342542843 - 2⁶ = 1342542779 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1342542798 and 1342542807.

It is not an unprimeable number, because it can be changed into a prime (1342542847) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 141280 + ... + 150482.

Almost surely, 2^1342542843 is an apocalyptic number.

1342542843 is a deficient number, since it is larger than the sum of its proper divisors (664315725).

1342542843 is an equidigital number, since it uses as much as digits as its factorization.

1342542843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11016 (or 11007 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 1342542843 is about 36640.7265621194. The cubic root of 1342542843 is about 1103.1706983859.

The spelling of 1342542843 in words is "one billion, three hundred forty-two million, five hundred forty-two thousand, eight hundred forty-three".