146463869 has 2 divisors, whose sum is σ = 146463870. Its totient is φ = 146463868.

The previous prime is 146463817. The next prime is 146463881. The reversal of 146463869 is 968364641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139546969 + 6916900 = 11813^2 + 2630^2 .

It is a cyclic number.

It is not a de Polignac number, because 146463869 - 2⁸ = 146463613 is a prime.

It is a super-2 number, since 2×146463869² = 42903329844898322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146463899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73231934 + 73231935.

It is an arithmetic number, because the mean of its divisors is an integer number (73231935).

Almost surely, 2^146463869 is an apocalyptic number.

It is an amenable number.

146463869 is a deficient number, since it is larger than the sum of its proper divisors (1).

146463869 is an equidigital number, since it uses as much as digits as its factorization.

146463869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 47.

The square root of 146463869 is about 12102.2257870195. The cubic root of 146463869 is about 527.1208167205.

The spelling of 146463869 in words is "one hundred forty-six million, four hundred sixty-three thousand, eight hundred sixty-nine".