194140448 has 12 divisors (see below), whose sum is σ = 382214070. Its totient is φ = 97070208.

The previous prime is 194140421. The next prime is 194140451. The reversal of 194140448 is 844041491.

It can be written as a sum of positive squares in only one way, i.e., 172869904 + 21270544 = 13148^2 + 4612^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3033413 + ... + 3033476.

Almost surely, 2^194140448 is an apocalyptic number.

It is an amenable number.

194140448 is a deficient number, since it is larger than the sum of its proper divisors (188073622).

194140448 is an equidigital number, since it uses as much as digits as its factorization.

194140448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6066899 (or 6066891 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 194140448 is about 13933.4291543755. The cubic root of 194140448 is about 579.0357024607.

The spelling of 194140448 in words is "one hundred ninety-four million, one hundred forty thousand, four hundred forty-eight".