144887851 has 2 divisors, whose sum is σ = 144887852. Its totient is φ = 144887850.

The previous prime is 144887837. The next prime is 144887867. The reversal of 144887851 is 158788441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144887851 - 2⁷ = 144887723 is a prime.

It is not a weakly prime, because it can be changed into another prime (144887801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72443925 + 72443926.

It is an arithmetic number, because the mean of its divisors is an integer number (72443926).

Almost surely, 2^144887851 is an apocalyptic number.

144887851 is a deficient number, since it is larger than the sum of its proper divisors (1).

144887851 is an equidigital number, since it uses as much as digits as its factorization.

144887851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 286720, while the sum is 46.

The square root of 144887851 is about 12036.9369442562. The cubic root of 144887851 is about 525.2233075731.

The spelling of 144887851 in words is "one hundred forty-four million, eight hundred eighty-seven thousand, eight hundred fifty-one".