85030143 has 16 divisors (see below), whose sum is σ = 123839616. Its totient is φ = 51467040.

The previous prime is 85030129. The next prime is 85030147. The reversal of 85030143 is 34103058.

It is not a de Polignac number, because 85030143 - 2¹² = 85026047 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85030147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39780 + ... + 41862.

It is an arithmetic number, because the mean of its divisors is an integer number (7739976).

Almost surely, 2^85030143 is an apocalyptic number.

85030143 is a deficient number, since it is larger than the sum of its proper divisors (38809473).

85030143 is a wasteful number, since it uses less digits than its factorization.

85030143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 85030143 is about 9221.1790460873. The cubic root of 85030143 is about 439.7349350485.

The spelling of 85030143 in words is "eighty-five million, thirty thousand, one hundred forty-three".