16143345 has 24 divisors (see below), whose sum is σ = 28445352. Its totient is φ = 8467200.

The previous prime is 16143317. The next prime is 16143367. The reversal of 16143345 is 54334161.

16143345 is a `hidden beast` number, since 1 + 614 + 3 + 3 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 651249 + 15492096 = 807^2 + 3936^2 .

It is not a de Polignac number, because 16143345 - 2⁵ = 16143313 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196 + ... + 5685.

It is an arithmetic number, because the mean of its divisors is an integer number (1185223).

Almost surely, 2^16143345 is an apocalyptic number.

16143345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16143345 is a deficient number, since it is larger than the sum of its proper divisors (12302007).

16143345 is a wasteful number, since it uses less digits than its factorization.

16143345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5953 (or 5950 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 16143345 is about 4017.8781713735. The cubic root of 16143345 is about 252.7344879197.

The spelling of 16143345 in words is "sixteen million, one hundred forty-three thousand, three hundred forty-five".