194411144 has 8 divisors (see below), whose sum is σ = 364520910. Its totient is φ = 97205568.

The previous prime is 194411143. The next prime is 194411159. The reversal of 194411144 is 441114491.

194411144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 159719044 + 34692100 = 12638^2 + 5890^2 .

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

It is a super-2 number, since 2×194411144² = 75591385822777472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (194411143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12150689 + ... + 12150704.

Almost surely, 2^194411144 is an apocalyptic number.

It is an amenable number.

194411144 is a deficient number, since it is larger than the sum of its proper divisors (170109766).

194411144 is a wasteful number, since it uses less digits than its factorization.

194411144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24301399 (or 24301395 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 194411144 is about 13943.1396751234. The cubic root of 194411144 is about 579.3046999075.

The spelling of 194411144 in words is "one hundred ninety-four million, four hundred eleven thousand, one hundred forty-four".