148385881 has 8 divisors (see below), whose sum is σ = 170665280. Its totient is φ = 126376848.

The previous prime is 148385863. The next prime is 148385891. The reversal of 148385881 is 188583841.

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 148385881 - 2¹⁷ = 148254809 is a prime.

It is a super-2 number, since 2×148385881² = 44036739360292322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148385821) 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, 66411 + ... + 68608.

It is an arithmetic number, because the mean of its divisors is an integer number (21333160).

Almost surely, 2^148385881 is an apocalyptic number.

It is an amenable number.

148385881 is a deficient number, since it is larger than the sum of its proper divisors (22279399).

148385881 is a wasteful number, since it uses less digits than its factorization.

148385881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135183.

The product of its digits is 245760, while the sum is 46.

The square root of 148385881 is about 12181.3743477491. The cubic root of 148385881 is about 529.4165657645.

The spelling of 148385881 in words is "one hundred forty-eight million, three hundred eighty-five thousand, eight hundred eighty-one".