144209851 has 2 divisors, whose sum is σ = 144209852. Its totient is φ = 144209850.

The previous prime is 144209789. The next prime is 144209869. The reversal of 144209851 is 158902441.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144209851 - 2¹¹ = 144207803 is a prime.

It is a super-3 number, since 3×144209851³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (144209881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72104925 + 72104926.

It is an arithmetic number, because the mean of its divisors is an integer number (72104926).

Almost surely, 2^144209851 is an apocalyptic number.

144209851 is a deficient number, since it is larger than the sum of its proper divisors (1).

144209851 is an equidigital number, since it uses as much as digits as its factorization.

144209851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 144209851 is about 12008.7406084069. The cubic root of 144209851 is about 524.4027687788.

The spelling of 144209851 in words is "one hundred forty-four million, two hundred nine thousand, eight hundred fifty-one".