806173142 has 16 divisors (see below), whose sum is σ = 1240369200. Its totient is φ = 392819232.

The previous prime is 806173141. The next prime is 806173153. The reversal of 806173142 is 241371608.

It is a junction number, because it is equal to n+sod(n) for n = 806173099 and 806173108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806173141) 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, 9728 + ... + 41315.

It is an arithmetic number, because the mean of its divisors is an integer number (77523075).

Almost surely, 2^806173142 is an apocalyptic number.

806173142 is a deficient number, since it is larger than the sum of its proper divisors (434196058).

806173142 is a wasteful number, since it uses less digits than its factorization.

806173142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51247.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 806173142 is about 28393.1883028307. The cubic root of 806173142 is about 930.6994168246.

The spelling of 806173142 in words is "eight hundred six million, one hundred seventy-three thousand, one hundred forty-two".