320146055 has 8 divisors (see below), whose sum is σ = 384584112. Its totient is φ = 255844288.

The previous prime is 320146049. The next prime is 320146061. The reversal of 320146055 is 550641023.

It is an interprime number because it is at equal distance from previous prime (320146049) and next prime (320146061).

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 320146055 - 2²⁰ = 319097479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28829 + ... + 38358.

It is an arithmetic number, because the mean of its divisors is an integer number (48073014).

Almost surely, 2^320146055 is an apocalyptic number.

320146055 is a deficient number, since it is larger than the sum of its proper divisors (64438057).

320146055 is an equidigital number, since it uses as much as digits as its factorization.

320146055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68145.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 320146055 is about 17892.6257156405. The cubic root of 320146055 is about 684.0944255662.

Adding to 320146055 its reverse (550641023), we get a palindrome (870787078).

The spelling of 320146055 in words is "three hundred twenty million, one hundred forty-six thousand, fifty-five".