148094209 has 2 divisors, whose sum is σ = 148094210. Its totient is φ = 148094208.

The previous prime is 148094203. The next prime is 148094251. The reversal of 148094209 is 902490841.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124813584 + 23280625 = 11172^2 + 4825^2 .

It is a cyclic number.

It is not a de Polignac number, because 148094209 - 2³ = 148094201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148094201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74047104 + 74047105.

It is an arithmetic number, because the mean of its divisors is an integer number (74047105).

Almost surely, 2^148094209 is an apocalyptic number.

It is an amenable number.

148094209 is a deficient number, since it is larger than the sum of its proper divisors (1).

148094209 is an equidigital number, since it uses as much as digits as its factorization.

148094209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 148094209 is about 12169.3964106689. The cubic root of 148094209 is about 529.0694588988.

The spelling of 148094209 in words is "one hundred forty-eight million, ninety-four thousand, two hundred nine".