2144451 has 8 divisors (see below), whose sum is σ = 2983680. Its totient is φ = 1367432.

The previous prime is 2144449. The next prime is 2144459. The reversal of 2144451 is 1544412.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2144451 - 2¹ = 2144449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2144459) 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, 15471 + ... + 15608.

It is an arithmetic number, because the mean of its divisors is an integer number (372960).

2^2144451 is an apocalyptic number.

2144451 is a deficient number, since it is larger than the sum of its proper divisors (839229).

2144451 is a wasteful number, since it uses less digits than its factorization.

2144451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31105.

The product of its digits is 640, while the sum is 21.

The square root of 2144451 is about 1464.3944140839. The cubic root of 2144451 is about 128.9551553756.

Adding to 2144451 its reverse (1544412), we get a palindrome (3688863).

It can be divided in two parts, 2 and 144451, that added together give a triangular number (144453 = T₅₃₇).

The spelling of 2144451 in words is "two million, one hundred forty-four thousand, four hundred fifty-one".