194628445 has 8 divisors (see below), whose sum is σ = 254786400. Its totient is φ = 141547920.

The previous prime is 194628431. The next prime is 194628481. The reversal of 194628445 is 544826491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 194628445 - 2¹³ = 194620253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1769295 + ... + 1769404.

It is an arithmetic number, because the mean of its divisors is an integer number (31848300).

Almost surely, 2^194628445 is an apocalyptic number.

It is an amenable number.

194628445 is a deficient number, since it is larger than the sum of its proper divisors (60157955).

194628445 is a wasteful number, since it uses less digits than its factorization.

194628445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3538715.

The product of its digits is 276480, while the sum is 43.

The square root of 194628445 is about 13950.9298973223. The cubic root of 194628445 is about 579.5204567746.

The spelling of 194628445 in words is "one hundred ninety-four million, six hundred twenty-eight thousand, four hundred forty-five".