42665854143 has 8 divisors (see below), whose sum is σ = 62059424256. Its totient is φ = 25858093400.

The previous prime is 42665854139. The next prime is 42665854171. The reversal of 42665854143 is 34145856624.

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 42665854143 - 2² = 42665854139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42665854092 and 42665854101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42665859143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646452303 + ... + 646452368.

It is an arithmetic number, because the mean of its divisors is an integer number (7757428032).

Almost surely, 2^42665854143 is an apocalyptic number.

42665854143 is a deficient number, since it is larger than the sum of its proper divisors (19393570113).

42665854143 is a wasteful number, since it uses less digits than its factorization.

42665854143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292904685.

The product of its digits is 2764800, while the sum is 48.

The spelling of 42665854143 in words is "forty-two billion, six hundred sixty-five million, eight hundred fifty-four thousand, one hundred forty-three".