146682889 has 2 divisors, whose sum is σ = 146682890. Its totient is φ = 146682888.

The previous prime is 146682881. The next prime is 146682941. The reversal of 146682889 is 988286641.

It is an a-pointer prime, because the next prime (146682941) can be obtained adding 146682889 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87516025 + 59166864 = 9355^2 + 7692^2 .

It is an emirp because it is prime and its reverse (988286641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146682889 - 2³ = 146682881 is a prime.

It is not a weakly prime, because it can be changed into another prime (146682881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73341444 + 73341445.

It is an arithmetic number, because the mean of its divisors is an integer number (73341445).

Almost surely, 2^146682889 is an apocalyptic number.

It is an amenable number.

146682889 is a deficient number, since it is larger than the sum of its proper divisors (1).

146682889 is an equidigital number, since it uses as much as digits as its factorization.

146682889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1327104, while the sum is 52.

The square root of 146682889 is about 12111.2711554155. The cubic root of 146682889 is about 527.3834355320.

The spelling of 146682889 in words is "one hundred forty-six million, six hundred eighty-two thousand, eight hundred eighty-nine".