146856486 has 64 divisors (see below), whose sum is σ = 349286400. Its totient is φ = 40279680.

The previous prime is 146856467. The next prime is 146856499. The reversal of 146856486 is 684658641.

It is a Curzon number.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 193620 + ... + 194376.

It is an arithmetic number, because the mean of its divisors is an integer number (5457600).

Almost surely, 2^146856486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146856486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174643200).

146856486 is an abundant number, since it is smaller than the sum of its proper divisors (202429914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146856486 is a wasteful number, since it uses less digits than its factorization.

146856486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949.

The product of its digits is 1105920, while the sum is 48.

The square root of 146856486 is about 12118.4357901505. The cubic root of 146856486 is about 527.5914036409.

The spelling of 146856486 in words is "one hundred forty-six million, eight hundred fifty-six thousand, four hundred eighty-six".