85143463 has 8 divisors (see below), whose sum is σ = 90296208. Its totient is φ = 80006784.

The previous prime is 85143451. The next prime is 85143469. The reversal of 85143463 is 36434158.

It is a happy number.

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 85143463 - 2¹⁷ = 85012391 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 (85143469) 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, 7945 + ... + 15277.

It is an arithmetic number, because the mean of its divisors is an integer number (11287026).

Almost surely, 2^85143463 is an apocalyptic number.

85143463 is a deficient number, since it is larger than the sum of its proper divisors (5152745).

85143463 is a wasteful number, since it uses less digits than its factorization.

85143463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8033.

The product of its digits is 34560, while the sum is 34.

The square root of 85143463 is about 9227.3215506993. The cubic root of 85143463 is about 439.9301938156.

The spelling of 85143463 in words is "eighty-five million, one hundred forty-three thousand, four hundred sixty-three".