146862689 has 2 divisors, whose sum is σ = 146862690. Its totient is φ = 146862688.

The previous prime is 146862649. The next prime is 146862701. The reversal of 146862689 is 986268641.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125776225 + 21086464 = 11215^2 + 4592^2 .

It is a cyclic number.

It is not a de Polignac number, because 146862689 - 2¹⁶ = 146797153 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146862649) 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, 73431344 + 73431345.

It is an arithmetic number, because the mean of its divisors is an integer number (73431345).

Almost surely, 2^146862689 is an apocalyptic number.

It is an amenable number.

146862689 is a deficient number, since it is larger than the sum of its proper divisors (1).

146862689 is an equidigital number, since it uses as much as digits as its factorization.

146862689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 50.

The square root of 146862689 is about 12118.6917198186. The cubic root of 146862689 is about 527.5988317622.

The spelling of 146862689 in words is "one hundred forty-six million, eight hundred sixty-two thousand, six hundred eighty-nine".