80146457 has 2 divisors, whose sum is σ = 80146458. Its totient is φ = 80146456.

The previous prime is 80146447. The next prime is 80146471. The reversal of 80146457 is 75464108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79995136 + 151321 = 8944^2 + 389^2 .

It is a cyclic number.

It is not a de Polignac number, because 80146457 - 2⁶ = 80146393 is a prime.

It is not a weakly prime, because it can be changed into another prime (80146447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40073228 + 40073229.

It is an arithmetic number, because the mean of its divisors is an integer number (40073229).

Almost surely, 2^80146457 is an apocalyptic number.

It is an amenable number.

80146457 is a deficient number, since it is larger than the sum of its proper divisors (1).

80146457 is an equidigital number, since it uses as much as digits as its factorization.

80146457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 80146457 is about 8952.4553615195. The cubic root of 80146457 is about 431.1497210793.

The spelling of 80146457 in words is "eighty million, one hundred forty-six thousand, four hundred fifty-seven".