148784385 has 8 divisors (see below), whose sum is σ = 238055040. Its totient is φ = 79351664.

The previous prime is 148784341. The next prime is 148784387. The reversal of 148784385 is 583487841.

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 148784385 - 2¹⁴ = 148768001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (148784387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4959465 + ... + 4959494.

It is an arithmetic number, because the mean of its divisors is an integer number (29756880).

Almost surely, 2^148784385 is an apocalyptic number.

148784385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148784385 is a deficient number, since it is larger than the sum of its proper divisors (89270655).

148784385 is an equidigital number, since it uses as much as digits as its factorization.

148784385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9918967.

The product of its digits is 860160, while the sum is 48.

The square root of 148784385 is about 12197.7204837625. The cubic root of 148784385 is about 529.8900745086.

The spelling of 148784385 in words is "one hundred forty-eight million, seven hundred eighty-four thousand, three hundred eighty-five".