348142285 has 4 divisors (see below), whose sum is σ = 417770748. Its totient is φ = 278513824.

The previous prime is 348142273. The next prime is 348142297. The reversal of 348142285 is 582241843.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (348142273) and next prime (348142297).

It can be written as a sum of positive squares in 2 ways, for example, as 117983044 + 230159241 = 10862^2 + 15171^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348142285 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34814224 + ... + 34814233.

It is an arithmetic number, because the mean of its divisors is an integer number (104442687).

Almost surely, 2^348142285 is an apocalyptic number.

It is an amenable number.

348142285 is a deficient number, since it is larger than the sum of its proper divisors (69628463).

348142285 is an equidigital number, since it uses as much as digits as its factorization.

348142285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69628462.

The product of its digits is 61440, while the sum is 37.

The square root of 348142285 is about 18658.5713547420. The cubic root of 348142285 is about 703.4808156889.

The spelling of 348142285 in words is "three hundred forty-eight million, one hundred forty-two thousand, two hundred eighty-five".