144454229 has 4 divisors (see below), whose sum is σ = 145058880. Its totient is φ = 143849580.

The previous prime is 144454223. The next prime is 144454273. The reversal of 144454229 is 922454441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 922454441 = 223 ⋅4136567.

It is a cyclic number.

It is not a de Polignac number, because 144454229 - 2¹² = 144450133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144454223) 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, 301967 + ... + 302444.

It is an arithmetic number, because the mean of its divisors is an integer number (36264720).

Almost surely, 2^144454229 is an apocalyptic number.

It is an amenable number.

144454229 is a deficient number, since it is larger than the sum of its proper divisors (604651).

144454229 is an equidigital number, since it uses as much as digits as its factorization.

144454229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604650.

The product of its digits is 46080, while the sum is 35.

The square root of 144454229 is about 12018.9113067698. The cubic root of 144454229 is about 524.6988192403.

The spelling of 144454229 in words is "one hundred forty-four million, four hundred fifty-four thousand, two hundred twenty-nine".