16144455 has 16 divisors (see below), whose sum is σ = 25912800. Its totient is φ = 8583168.

The previous prime is 16144451. The next prime is 16144463. The reversal of 16144455 is 55444161.

It is not a de Polignac number, because 16144455 - 2² = 16144451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16144451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3771 + ... + 6819.

It is an arithmetic number, because the mean of its divisors is an integer number (1619550).

Almost surely, 2^16144455 is an apocalyptic number.

16144455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16144455 is a deficient number, since it is larger than the sum of its proper divisors (9768345).

16144455 is a wasteful number, since it uses less digits than its factorization.

16144455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410.

The product of its digits is 9600, while the sum is 30.

The square root of 16144455 is about 4018.0163016095. The cubic root of 16144455 is about 252.7402803758.

The spelling of 16144455 in words is "sixteen million, one hundred forty-four thousand, four hundred fifty-five".