80193145 has 8 divisors (see below), whose sum is σ = 96340104. Its totient is φ = 64082304.

The previous prime is 80193143. The next prime is 80193161. The reversal of 80193145 is 54139108.

It can be written as a sum of positive squares in 4 ways, for example, as 8503056 + 71690089 = 2916^2 + 8467^2 .

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 80193145 - 2¹ = 80193143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80193143) 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, 3874 + ... + 13243.

It is an arithmetic number, because the mean of its divisors is an integer number (12042513).

Almost surely, 2^80193145 is an apocalyptic number.

It is an amenable number.

80193145 is a deficient number, since it is larger than the sum of its proper divisors (16146959).

80193145 is a wasteful number, since it uses less digits than its factorization.

80193145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18059.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 80193145 is about 8955.0625346784. The cubic root of 80193145 is about 431.2334245537.

The spelling of 80193145 in words is "eighty million, one hundred ninety-three thousand, one hundred forty-five".