146318857 has 2 divisors, whose sum is σ = 146318858. Its totient is φ = 146318856.

The previous prime is 146318807. The next prime is 146318869. The reversal of 146318857 is 758813641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142539721 + 3779136 = 11939^2 + 1944^2 .

It is a cyclic number.

It is not a de Polignac number, because 146318857 - 2¹¹ = 146316809 is a prime.

It is not a weakly prime, because it can be changed into another prime (146318807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73159428 + 73159429.

It is an arithmetic number, because the mean of its divisors is an integer number (73159429).

Almost surely, 2^146318857 is an apocalyptic number.

It is an amenable number.

146318857 is a deficient number, since it is larger than the sum of its proper divisors (1).

146318857 is an equidigital number, since it uses as much as digits as its factorization.

146318857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 43.

The square root of 146318857 is about 12096.2331740092. The cubic root of 146318857 is about 526.9467940865.

The spelling of 146318857 in words is "one hundred forty-six million, three hundred eighteen thousand, eight hundred fifty-seven".