80146849 has 2 divisors, whose sum is σ = 80146850. Its totient is φ = 80146848.

The previous prime is 80146831. The next prime is 80146861. The reversal of 80146849 is 94864108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66308449 + 13838400 = 8143^2 + 3720^2 .

It is a cyclic number.

It is not a de Polignac number, because 80146849 - 2⁹ = 80146337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80146049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40073424 + 40073425.

It is an arithmetic number, because the mean of its divisors is an integer number (40073425).

Almost surely, 2^80146849 is an apocalyptic number.

It is an amenable number.

80146849 is a deficient number, since it is larger than the sum of its proper divisors (1).

80146849 is an equidigital number, since it uses as much as digits as its factorization.

80146849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 80146849 is about 8952.4772549278. The cubic root of 80146849 is about 431.1504240025.

The spelling of 80146849 in words is "eighty million, one hundred forty-six thousand, eight hundred forty-nine".