16144025 has 24 divisors (see below), whose sum is σ = 21260544. Its totient is φ = 12139200.

The previous prime is 16144021. The next prime is 16144031. The reversal of 16144025 is 52044161.

It is not a de Polignac number, because 16144025 - 2² = 16144021 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16144021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28394 + ... + 28956.

It is an arithmetic number, because the mean of its divisors is an integer number (885856).

Almost surely, 2^16144025 is an apocalyptic number.

It is an amenable number.

16144025 is a deficient number, since it is larger than the sum of its proper divisors (5116519).

16144025 is a wasteful number, since it uses less digits than its factorization.

16144025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 16144025 is about 4017.9627922618. The cubic root of 16144025 is about 252.7380364828.

Adding to 16144025 its reverse (52044161), we get a palindrome (68188186).

The spelling of 16144025 in words is "sixteen million, one hundred forty-four thousand, twenty-five".