194445402 has 16 divisors (see below), whose sum is σ = 392742432. Its totient is φ = 64173200.

The previous prime is 194445401. The next prime is 194445403. The reversal of 194445402 is 204544491.

It is an interprime number because it is at equal distance from previous prime (194445401) and next prime (194445403).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (194445401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159828 + ... + 161039.

It is an arithmetic number, because the mean of its divisors is an integer number (24546402).

Almost surely, 2^194445402 is an apocalyptic number.

194445402 is an abundant number, since it is smaller than the sum of its proper divisors (198297030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194445402 is a wasteful number, since it uses less digits than its factorization.

194445402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320973.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 194445402 is about 13944.3681104595. The cubic root of 194445402 is about 579.3387251429.

Adding to 194445402 its reverse (204544491), we get a palindrome (398989893).

The spelling of 194445402 in words is "one hundred ninety-four million, four hundred forty-five thousand, four hundred two".