148641985 has 8 divisors (see below), whose sum is σ = 186125760. Its totient is φ = 113743344.

The previous prime is 148641971. The next prime is 148641989. The reversal of 148641985 is 589146841.

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 148641985 - 2¹¹ = 148639937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148641989) 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, 646155 + ... + 646384.

It is an arithmetic number, because the mean of its divisors is an integer number (23265720).

Almost surely, 2^148641985 is an apocalyptic number.

It is an amenable number.

148641985 is a deficient number, since it is larger than the sum of its proper divisors (37483775).

148641985 is a wasteful number, since it uses less digits than its factorization.

148641985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292567.

The product of its digits is 276480, while the sum is 46.

The square root of 148641985 is about 12191.8819302026. The cubic root of 148641985 is about 529.7209697730.

The spelling of 148641985 in words is "one hundred forty-eight million, six hundred forty-one thousand, nine hundred eighty-five".