1608142543 has 18 divisors (see below), whose sum is σ = 1924178984. Its totient is φ = 1316476392.

The previous prime is 1608142541. The next prime is 1608142559. The reversal of 1608142543 is 3452418061.

It is not a de Polignac number, because 1608142543 - 2¹ = 1608142541 is a prime.

It is a super-3 number, since 3×1608142543³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1608142499 and 1608142508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1608142541) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2439948 + ... + 2440606.

Almost surely, 2^1608142543 is an apocalyptic number.

1608142543 is a deficient number, since it is larger than the sum of its proper divisors (316036441).

1608142543 is an frugal number, since it uses more digits than its factorization.

1608142543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 1608142543 is about 40101.6526218060. The cubic root of 1608142543 is about 1171.5878173986.

The spelling of 1608142543 in words is "one billion, six hundred eight million, one hundred forty-two thousand, five hundred forty-three".