16145859 has 8 divisors (see below), whose sum is σ = 21548800. Its totient is φ = 10753416.

The previous prime is 16145851. The next prime is 16145873. The reversal of 16145859 is 95854161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16145859 - 2³ = 16145851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16145851) 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, 2274 + ... + 6120.

It is an arithmetic number, because the mean of its divisors is an integer number (2693600).

Almost surely, 2^16145859 is an apocalyptic number.

16145859 is a deficient number, since it is larger than the sum of its proper divisors (5402941).

16145859 is a wasteful number, since it uses less digits than its factorization.

16145859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5249.

The product of its digits is 43200, while the sum is 39.

The square root of 16145859 is about 4018.1910108903. The cubic root of 16145859 is about 252.7476066697.

The spelling of 16145859 in words is "sixteen million, one hundred forty-five thousand, eight hundred fifty-nine".