194451044 has 12 divisors (see below), whose sum is σ = 340397568. Its totient is φ = 97194600.

The previous prime is 194451041. The next prime is 194451067. The reversal of 194451044 is 440154491.

194451044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×194451044² = 75622417025379872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 194451044.

It is not an unprimeable number, because it can be changed into a prime (194451041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12029 + ... + 23099.

It is an arithmetic number, because the mean of its divisors is an integer number (28366464).

Almost surely, 2^194451044 is an apocalyptic number.

It is an amenable number.

194451044 is a deficient number, since it is larger than the sum of its proper divisors (145946524).

194451044 is a wasteful number, since it uses less digits than its factorization.

194451044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15466 (or 15464 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 194451044 is about 13944.5704128883. The cubic root of 194451044 is about 579.3443284253.

The spelling of 194451044 in words is "one hundred ninety-four million, four hundred fifty-one thousand, forty-four".