146814289 has 2 divisors, whose sum is σ = 146814290. Its totient is φ = 146814288.

The previous prime is 146814287. The next prime is 146814337. The reversal of 146814289 is 982418641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96687889 + 50126400 = 9833^2 + 7080^2 .

It is a cyclic number.

It is not a de Polignac number, because 146814289 - 2¹ = 146814287 is a prime.

Together with 146814287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (146814287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73407144 + 73407145.

It is an arithmetic number, because the mean of its divisors is an integer number (73407145).

Almost surely, 2^146814289 is an apocalyptic number.

It is an amenable number.

146814289 is a deficient number, since it is larger than the sum of its proper divisors (1).

146814289 is an equidigital number, since it uses as much as digits as its factorization.

146814289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 43.

The square root of 146814289 is about 12116.6946400411. The cubic root of 146814289 is about 527.5408669850.

The spelling of 146814289 in words is "one hundred forty-six million, eight hundred fourteen thousand, two hundred eighty-nine".