148209219 has 12 divisors (see below), whose sum is σ = 219301992. Its totient is φ = 96396000.

The previous prime is 148209211. The next prime is 148209221. The reversal of 148209219 is 912902841.

It is not a de Polignac number, because 148209219 - 2³ = 148209211 is a prime.

It is a super-2 number, since 2×148209219² = 43931945193179922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148209211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200457 + ... + 201194.

It is an arithmetic number, because the mean of its divisors is an integer number (18275166).

Almost surely, 2^148209219 is an apocalyptic number.

148209219 is a deficient number, since it is larger than the sum of its proper divisors (71092773).

148209219 is a wasteful number, since it uses less digits than its factorization.

148209219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401698 (or 401695 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 148209219 is about 12174.1208717509. The cubic root of 148209219 is about 529.2063819518.

The spelling of 148209219 in words is "one hundred forty-eight million, two hundred nine thousand, two hundred nineteen".