994985144 has 8 divisors (see below), whose sum is σ = 1865597160. Its totient is φ = 497492568.

The previous prime is 994985143. The next prime is 994985153. The reversal of 994985144 is 441589499.

994985144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994985143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62186564 + ... + 62186579.

It is an arithmetic number, because the mean of its divisors is an integer number (233199645).

Almost surely, 2^994985144 is an apocalyptic number.

It is an amenable number.

994985144 is a deficient number, since it is larger than the sum of its proper divisors (870612016).

994985144 is a wasteful number, since it uses less digits than its factorization.

994985144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124373149 (or 124373145 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The square root of 994985144 is about 31543.3851068651. The cubic root of 994985144 is about 998.3255792132.

The spelling of 994985144 in words is "nine hundred ninety-four million, nine hundred eighty-five thousand, one hundred forty-four".