144900229 has 4 divisors (see below), whose sum is σ = 145538784. Its totient is φ = 144261676.

The previous prime is 144900209. The next prime is 144900247. The reversal of 144900229 is 922009441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144900229 - 2⁷ = 144900101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144900229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144900209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318937 + ... + 319390.

It is an arithmetic number, because the mean of its divisors is an integer number (36384696).

Almost surely, 2^144900229 is an apocalyptic number.

It is an amenable number.

144900229 is a deficient number, since it is larger than the sum of its proper divisors (638555).

144900229 is an equidigital number, since it uses as much as digits as its factorization.

144900229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638554.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 144900229 is about 12037.4511006276. The cubic root of 144900229 is about 525.2382640352.

The spelling of 144900229 in words is "one hundred forty-four million, nine hundred thousand, two hundred twenty-nine".