146386049 has 2 divisors, whose sum is σ = 146386050. Its totient is φ = 146386048.

The previous prime is 146386039. The next prime is 146386057. The reversal of 146386049 is 940683641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140659600 + 5726449 = 11860^2 + 2393^2 .

It is an emirp because it is prime and its reverse (940683641) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146386049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 146385997 and 146386015.

It is not a weakly prime, because it can be changed into another prime (146386039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73193024 + 73193025.

It is an arithmetic number, because the mean of its divisors is an integer number (73193025).

Almost surely, 2^146386049 is an apocalyptic number.

It is an amenable number.

146386049 is a deficient number, since it is larger than the sum of its proper divisors (1).

146386049 is an equidigital number, since it uses as much as digits as its factorization.

146386049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 146386049 is about 12099.0102487766. The cubic root of 146386049 is about 527.0274425901.

The spelling of 146386049 in words is "one hundred forty-six million, three hundred eighty-six thousand, forty-nine".