80146243 has 4 divisors (see below), whose sum is σ = 80377560. Its totient is φ = 79914928.

The previous prime is 80146223. The next prime is 80146247. The reversal of 80146243 is 34264108.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80146243 - 2¹⁷ = 80015171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80146247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115138 + ... + 115831.

It is an arithmetic number, because the mean of its divisors is an integer number (20094390).

Almost surely, 2^80146243 is an apocalyptic number.

80146243 is a deficient number, since it is larger than the sum of its proper divisors (231317).

80146243 is a wasteful number, since it uses less digits than its factorization.

80146243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231316.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 80146243 is about 8952.4434094832. The cubic root of 80146243 is about 431.1493373396.

The spelling of 80146243 in words is "eighty million, one hundred forty-six thousand, two hundred forty-three".