16193145 has 32 divisors (see below), whose sum is σ = 26836992. Its totient is φ = 8332992.

The previous prime is 16193123. The next prime is 16193153. The reversal of 16193145 is 54139161.

It is not a de Polignac number, because 16193145 - 2⁵ = 16193113 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72504 + ... + 72726.

It is an arithmetic number, because the mean of its divisors is an integer number (838656).

Almost surely, 2^16193145 is an apocalyptic number.

16193145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16193145 is a deficient number, since it is larger than the sum of its proper divisors (10643847).

16193145 is a wasteful number, since it uses less digits than its factorization.

16193145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381.

The product of its digits is 3240, while the sum is 30.

The square root of 16193145 is about 4024.0707001741. The cubic root of 16193145 is about 252.9941048583.

The spelling of 16193145 in words is "sixteen million, one hundred ninety-three thousand, one hundred forty-five".