148216305 has 8 divisors (see below), whose sum is σ = 237146112. Its totient is φ = 79048688.

The previous prime is 148216297. The next prime is 148216331. The reversal of 148216305 is 503612841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148216305 - 2³ = 148216297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4940529 + ... + 4940558.

It is an arithmetic number, because the mean of its divisors is an integer number (29643264).

Almost surely, 2^148216305 is an apocalyptic number.

148216305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148216305 is a deficient number, since it is larger than the sum of its proper divisors (88929807).

148216305 is an equidigital number, since it uses as much as digits as its factorization.

148216305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9881095.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 148216305 is about 12174.4118954469. The cubic root of 148216305 is about 529.2148157426.

The spelling of 148216305 in words is "one hundred forty-eight million, two hundred sixteen thousand, three hundred five".