148813285 has 4 divisors (see below), whose sum is σ = 178575948. Its totient is φ = 119050624.

The previous prime is 148813279. The next prime is 148813307. The reversal of 148813285 is 582318841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89075844 + 59737441 = 9438^2 + 7729^2 .

It is a cyclic number.

It is not a de Polignac number, because 148813285 - 2⁵ = 148813253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14881324 + ... + 14881333.

It is an arithmetic number, because the mean of its divisors is an integer number (44643987).

Almost surely, 2^148813285 is an apocalyptic number.

It is an amenable number.

148813285 is a deficient number, since it is larger than the sum of its proper divisors (29762663).

148813285 is an equidigital number, since it uses as much as digits as its factorization.

148813285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29762662.

The product of its digits is 61440, while the sum is 40.

The square root of 148813285 is about 12198.9050738171. The cubic root of 148813285 is about 529.9243810472.

The spelling of 148813285 in words is "one hundred forty-eight million, eight hundred thirteen thousand, two hundred eighty-five".