612146306 has 8 divisors (see below), whose sum is σ = 918700284. Its totient is φ = 305912880.

The previous prime is 612146303. The next prime is 612146317. The reversal of 612146306 is 603641216.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 563635081 + 48511225 = 23741^2 + 6965^2 .

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

It is not an unprimeable number, because it can be changed into a prime (612146303) by changing a digit.

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, 75305 + ... + 83036.

Almost surely, 2^612146306 is an apocalyptic number.

612146306 is a deficient number, since it is larger than the sum of its proper divisors (306553978).

612146306 is a wasteful number, since it uses less digits than its factorization.

612146306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160276.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 612146306 is about 24741.5906117614. The cubic root of 612146306 is about 849.0861255310.

The spelling of 612146306 in words is "six hundred twelve million, one hundred forty-six thousand, three hundred six".