146331817 has 2 divisors, whose sum is σ = 146331818. Its totient is φ = 146331816.

The previous prime is 146331769. The next prime is 146331841. The reversal of 146331817 is 718133641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144865296 + 1466521 = 12036^2 + 1211^2 .

It is a cyclic number.

It is not a de Polignac number, because 146331817 - 2¹¹ = 146329769 is a prime.

It is not a weakly prime, because it can be changed into another prime (146331617) 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, 73165908 + 73165909.

It is an arithmetic number, because the mean of its divisors is an integer number (73165909).

Almost surely, 2^146331817 is an apocalyptic number.

It is an amenable number.

146331817 is a deficient number, since it is larger than the sum of its proper divisors (1).

146331817 is an equidigital number, since it uses as much as digits as its factorization.

146331817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 146331817 is about 12096.7688661064. The cubic root of 146331817 is about 526.9623514999.

The spelling of 146331817 in words is "one hundred forty-six million, three hundred thirty-one thousand, eight hundred seventeen".