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148609 is a prime number
BaseRepresentation
bin100100010010000001
321112212001
4210102001
514223414
63104001
71156156
oct442201
9245761
10148609
11a171a
1272001
1352846
143c22d
152e074
hex24481

148609 has 2 divisors, whose sum is σ = 148610. Its totient is φ = 148608.

The previous prime is 148579. The next prime is 148627. The reversal of 148609 is 906841.

148609 is nontrivially palindromic in base 11.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119025 + 29584 = 345^2 + 172^2 .

It is a cyclic number.

It is not a de Polignac number, because 148609 - 213 = 140417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74304 + 74305.

It is an arithmetic number, because the mean of its divisors is an integer number (74305).

2148609 is an apocalyptic number.

It is an amenable number.

148609 is a deficient number, since it is larger than the sum of its proper divisors (1).

148609 is an equidigital number, since it uses as much as digits as its factorization.

148609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 148609 is about 385.4983787255. The cubic root of 148609 is about 52.9681783584.

It can be divided in two parts, 148 and 609, that added together give a palindrome (757).

The spelling of 148609 in words is "one hundred forty-eight thousand, six hundred nine".