2144252451 has 8 divisors (see below), whose sum is σ = 3118912704. Its totient is φ = 1299546920.

The previous prime is 2144252443. The next prime is 2144252459. The reversal of 2144252451 is 1542524412.

It is an interprime number because it is at equal distance from previous prime (2144252443) and next prime (2144252459).

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 2144252451 - 2³ = 2144252443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2144252459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32488641 + ... + 32488706.

It is an arithmetic number, because the mean of its divisors is an integer number (389864088).

Almost surely, 2^2144252451 is an apocalyptic number.

2144252451 is a deficient number, since it is larger than the sum of its proper divisors (974660253).

2144252451 is a wasteful number, since it uses less digits than its factorization.

2144252451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64977361.

The product of its digits is 12800, while the sum is 30.

The square root of 2144252451 is about 46306.0735865178. The cubic root of 2144252451 is about 1289.5117538147.

Adding to 2144252451 its reverse (1542524412), we get a palindrome (3686776863).

The spelling of 2144252451 in words is "two billion, one hundred forty-four million, two hundred fifty-two thousand, four hundred fifty-one".