612004144 has 20 divisors (see below), whose sum is σ = 1208132496. Its totient is φ = 300228032.

The previous prime is 612004121. The next prime is 612004177. The reversal of 612004144 is 441400216.

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, 360004 + ... + 361699.

Almost surely, 2^612004144 is an apocalyptic number.

It is an amenable number.

612004144 is a deficient number, since it is larger than the sum of its proper divisors (596128352).

612004144 is a wasteful number, since it uses less digits than its factorization.

612004144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721764 (or 721758 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 612004144 is about 24738.7175092000. The cubic root of 612004144 is about 849.0203911764.

The spelling of 612004144 in words is "six hundred twelve million, four thousand, one hundred forty-four".