16143294 has 16 divisors (see below), whose sum is σ = 32469120. Its totient is φ = 5350680.

The previous prime is 16143289. The next prime is 16143301. The reversal of 16143294 is 49234161.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6442 + ... + 8589.

It is an arithmetic number, because the mean of its divisors is an integer number (2029320).

Almost surely, 2^16143294 is an apocalyptic number.

16143294 is the 2148-th nonagonal number.

16143294 is an abundant number, since it is smaller than the sum of its proper divisors (16325826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16143294 is a wasteful number, since it uses less digits than its factorization.

16143294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15215.

The product of its digits is 5184, while the sum is 30.

The square root of 16143294 is about 4017.8718247351. The cubic root of 16143294 is about 252.7342217734.

The spelling of 16143294 in words is "sixteen million, one hundred forty-three thousand, two hundred ninety-four".