148392881 has 16 divisors (see below), whose sum is σ = 193382784. Its totient is φ = 110502144.

The previous prime is 148392863. The next prime is 148392883. The reversal of 148392881 is 188293841.

It is a cyclic number.

It is not a de Polignac number, because 148392881 - 2¹⁰ = 148391857 is a prime.

It is a super-2 number, since 2×148392881² = 44040894262960322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (148392883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46415 + ... + 49508.

It is an arithmetic number, because the mean of its divisors is an integer number (12086424).

Almost surely, 2^148392881 is an apocalyptic number.

It is an amenable number.

148392881 is a deficient number, since it is larger than the sum of its proper divisors (44989903).

148392881 is a wasteful number, since it uses less digits than its factorization.

148392881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95960.

The product of its digits is 110592, while the sum is 44.

The square root of 148392881 is about 12181.6616682618. The cubic root of 148392881 is about 529.4248905855.

The spelling of 148392881 in words is "one hundred forty-eight million, three hundred ninety-two thousand, eight hundred eighty-one".