144892229 has 2 divisors, whose sum is σ = 144892230. Its totient is φ = 144892228.

The previous prime is 144892213. The next prime is 144892247. The reversal of 144892229 is 922298441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131217025 + 13675204 = 11455^2 + 3698^2 .

It is a cyclic number.

It is not a de Polignac number, because 144892229 - 2⁴ = 144892213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144892289) 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, 72446114 + 72446115.

It is an arithmetic number, because the mean of its divisors is an integer number (72446115).

Almost surely, 2^144892229 is an apocalyptic number.

It is an amenable number.

144892229 is a deficient number, since it is larger than the sum of its proper divisors (1).

144892229 is an equidigital number, since it uses as much as digits as its factorization.

144892229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 41.

The square root of 144892229 is about 12037.1187997793. The cubic root of 144892229 is about 525.2285976520.

The spelling of 144892229 in words is "one hundred forty-four million, eight hundred ninety-two thousand, two hundred twenty-nine".