194646152 has 8 divisors (see below), whose sum is σ = 364961550. Its totient is φ = 97323072.

The previous prime is 194646143. The next prime is 194646163. The reversal of 194646152 is 251646491.

194646152 is digitally balanced in base 3, 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., 194490916 + 155236 = 13946^2 + 394^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12165377 + ... + 12165392.

Almost surely, 2^194646152 is an apocalyptic number.

It is an amenable number.

194646152 is a deficient number, since it is larger than the sum of its proper divisors (170315398).

194646152 is a wasteful number, since it uses less digits than its factorization.

194646152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24330775 (or 24330771 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 194646152 is about 13951.5645000839. The cubic root of 194646152 is about 579.5380308716.

The spelling of 194646152 in words is "one hundred ninety-four million, six hundred forty-six thousand, one hundred fifty-two".