144864851 has 4 divisors (see below), whose sum is σ = 145327992. Its totient is φ = 144401712.

The previous prime is 144864781. The next prime is 144864877. The reversal of 144864851 is 158468441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144864851 - 2¹⁰ = 144863827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144864799 and 144864808.

It is not an unprimeable number, because it can be changed into a prime (144884851) 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 3 ways as a sum of consecutive naturals, for example, 231101 + ... + 231726.

It is an arithmetic number, because the mean of its divisors is an integer number (36331998).

Almost surely, 2^144864851 is an apocalyptic number.

144864851 is a deficient number, since it is larger than the sum of its proper divisors (463141).

144864851 is an equidigital number, since it uses as much as digits as its factorization.

144864851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463140.

The product of its digits is 122880, while the sum is 41.

The square root of 144864851 is about 12035.9815137778. The cubic root of 144864851 is about 525.1955141792.

The spelling of 144864851 in words is "one hundred forty-four million, eight hundred sixty-four thousand, eight hundred fifty-one".