16194045 has 16 divisors (see below), whose sum is σ = 29612160. Its totient is φ = 7402944.

The previous prime is 16194041. The next prime is 16194067. The reversal of 16194045 is 54049161.

It is a happy number.

It is not a de Polignac number, because 16194045 - 2² = 16194041 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16194041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 77010 + ... + 77219.

It is an arithmetic number, because the mean of its divisors is an integer number (1850760).

Almost surely, 2^16194045 is an apocalyptic number.

16194045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16194045 is a deficient number, since it is larger than the sum of its proper divisors (13418115).

16194045 is a wasteful number, since it uses less digits than its factorization.

16194045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154244.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 16194045 is about 4024.1825256815. The cubic root of 16194045 is about 252.9987918308.

The spelling of 16194045 in words is "sixteen million, one hundred ninety-four thousand, forty-five".