146798969 has 2 divisors, whose sum is σ = 146798970. Its totient is φ = 146798968.

The previous prime is 146798963. The next prime is 146798987. The reversal of 146798969 is 969897641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129049600 + 17749369 = 11360^2 + 4213^2 .

It is an emirp because it is prime and its reverse (969897641) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146798969 is a prime.

It is a super-2 number, since 2×146798969² = 43099874598925922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (146798963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73399484 + 73399485.

It is an arithmetic number, because the mean of its divisors is an integer number (73399485).

Almost surely, 2^146798969 is an apocalyptic number.

It is an amenable number.

146798969 is a deficient number, since it is larger than the sum of its proper divisors (1).

146798969 is an equidigital number, since it uses as much as digits as its factorization.

146798969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5878656, while the sum is 59.

The square root of 146798969 is about 12116.0624379375. The cubic root of 146798969 is about 527.5225168020.

The spelling of 146798969 in words is "one hundred forty-six million, seven hundred ninety-eight thousand, nine hundred sixty-nine".