16231144 has 16 divisors (see below), whose sum is σ = 31008420. Its totient is φ = 7962240.

The previous prime is 16231139. The next prime is 16231199. The reversal of 16231144 is 44113261.

It can be written as a sum of positive squares in 2 ways, for example, as 13468900 + 2762244 = 3670^2 + 1662^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18717 + ... + 19564.

Almost surely, 2^16231144 is an apocalyptic number.

It is an amenable number.

16231144 is a deficient number, since it is larger than the sum of its proper divisors (14777276).

16231144 is a wasteful number, since it uses less digits than its factorization.

16231144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38340 (or 38336 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 16231144 is about 4028.7893963324. The cubic root of 16231144 is about 253.1918431203.

The spelling of 16231144 in words is "sixteen million, two hundred thirty-one thousand, one hundred forty-four".