68089143 has 8 divisors (see below), whose sum is σ = 91034368. Its totient is φ = 45268344.

The previous prime is 68089117. The next prime is 68089157. The reversal of 68089143 is 34198086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68089143 - 2¹² = 68085047 is a prime.

It is a super-2 number, since 2×68089143² = 9272262788948898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68089193) 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, 29821 + ... + 32022.

It is an arithmetic number, because the mean of its divisors is an integer number (11379296).

Almost surely, 2^68089143 is an apocalyptic number.

68089143 is a deficient number, since it is larger than the sum of its proper divisors (22945225).

68089143 is a wasteful number, since it uses less digits than its factorization.

68089143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62213.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 68089143 is about 8251.6145692828. The cubic root of 68089143 is about 408.3437906341.

It can be divided in two parts, 6808 and 9143, that added together give a palindrome (15951).

The spelling of 68089143 in words is "sixty-eight million, eighty-nine thousand, one hundred forty-three".