148387585 has 8 divisors (see below), whose sum is σ = 178388136. Its totient is φ = 118494720.

The previous prime is 148387571. The next prime is 148387609. The reversal of 148387585 is 585783841.

It can be written as a sum of positive squares in 4 ways, for example, as 1468944 + 146918641 = 1212^2 + 12121^2 .

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

It is not a de Polignac number, because 148387585 - 2⁵ = 148387553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 23856 + ... + 29425.

It is an arithmetic number, because the mean of its divisors is an integer number (22298517).

Almost surely, 2^148387585 is an apocalyptic number.

It is an amenable number.

148387585 is a deficient number, since it is larger than the sum of its proper divisors (30000551).

148387585 is an equidigital number, since it uses as much as digits as its factorization.

148387585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53843.

The product of its digits is 1075200, while the sum is 49.

The square root of 148387585 is about 12181.4442903951. Note that the first 3 decimals coincide. The cubic root of 148387585 is about 529.4185922879.

The spelling of 148387585 in words is "one hundred forty-eight million, three hundred eighty-seven thousand, five hundred eighty-five".