148250209 has 4 divisors (see below), whose sum is σ = 148275504. Its totient is φ = 148224916.

The previous prime is 148250159. The next prime is 148250213. The reversal of 148250209 is 902052841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 148250209 - 2²⁷ = 14032481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148250299) 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 in 3 ways as a sum of consecutive naturals, for example, 1194 + ... + 17260.

It is an arithmetic number, because the mean of its divisors is an integer number (37068876).

Almost surely, 2^148250209 is an apocalyptic number.

It is an amenable number.

148250209 is a deficient number, since it is larger than the sum of its proper divisors (25295).

148250209 is an equidigital number, since it uses as much as digits as its factorization.

148250209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25294.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 148250209 is about 12175.8042444842. The cubic root of 148250209 is about 529.2551647249.

The spelling of 148250209 in words is "one hundred forty-eight million, two hundred fifty thousand, two hundred nine".